{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,11]],"date-time":"2026-03-11T19:26:33Z","timestamp":1773257193047,"version":"3.50.1"},"publisher-location":"Berlin, Heidelberg","reference-count":14,"publisher":"Springer Berlin Heidelberg","isbn-type":[{"value":"9783540730002","type":"print"},{"value":"9783540730019","type":"electronic"}],"license":[{"start":{"date-parts":[[2007,1,1]],"date-time":"2007-01-01T00:00:00Z","timestamp":1167609600000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2007]]},"DOI":"10.1007\/978-3-540-73001-9_40","type":"book-chapter","created":{"date-parts":[[2007,7,24]],"date-time":"2007-07-24T11:16:31Z","timestamp":1185275791000},"page":"389-397","source":"Crossref","is-referenced-by-count":7,"title":["Some Notes on Degree Spectra of the Structures"],"prefix":"10.1007","author":[{"given":"Iskander","family":"Kalimullin","sequence":"first","affiliation":[]}],"member":"297","reference":[{"key":"40_CR1","doi-asserted-by":"crossref","unstructured":"Downey, R.: On Presentations of Algebraic Structures. In: Sorbi, A. (ed.) Complexity, Logic, and Recursion Theory, pp. 157\u2013205 Dekker, New York (1997)","DOI":"10.1201\/9780429187490-6"},{"issue":"4","key":"40_CR2","doi-asserted-by":"publisher","first-page":"15","DOI":"10.1007\/BF02218664","volume":"7","author":"Y..L. Ershov","year":"1968","unstructured":"Ershov, Y.L.: On a hierarchy of sets II. Algebra i Logika\u00a07(4), 15\u201347 (1968)","journal-title":"Algebra i Logika"},{"key":"40_CR3","doi-asserted-by":"publisher","first-page":"219","DOI":"10.1016\/j.apal.2005.02.001","volume":"136","author":"S.S. Goncharov","year":"2005","unstructured":"Goncharov, S.S., Harizanov, V.S., Knight, J.F., McCoy, C., Miller, R., Solomon, R.: Enumerations in computable structure theory. Annals of Pure and Applied Logic\u00a0136, 219\u2013246 (2005)","journal-title":"Annals of Pure and Applied Logic"},{"key":"40_CR4","doi-asserted-by":"publisher","first-page":"71","DOI":"10.1016\/S0168-0072(01)00087-2","volume":"115","author":"D.R. Hirschfeldt","year":"2002","unstructured":"Hirschfeldt, D.R., Khoussainov, B., Shore, R.A., Slinko, A.M.: Degree spectra and computable dimensions in algebraic structures. Annals of Pure. and Applied Logic\u00a0115, 71\u2013113 (2002)","journal-title":"Annals of Pure and Applied Logic"},{"key":"40_CR5","unstructured":"Kalimullin, I.Sh.: Degree spectra of some algebraic structures, Algebra and Logic (to appear)"},{"key":"40_CR6","unstructured":"Kalimullin, I.Sh.: A non- $\\Delta_2^0$ structure is computable in any non- $\\Delta_2^0$ degree (to appear)"},{"key":"40_CR7","unstructured":"Kalimullin, I.Sh.: Restrictions on degree spectra of structures (to appear)"},{"key":"40_CR8","doi-asserted-by":"publisher","first-page":"1034","DOI":"10.2307\/2273915","volume":"51","author":"J.F. Knight","year":"1986","unstructured":"Knight, J.F.: Degrees coded in jumps of orderings. Journal of Symbolic Logic\u00a051, 1034\u20131042 (1986)","journal-title":"Journal of Symbolic Logic"},{"key":"40_CR9","doi-asserted-by":"publisher","first-page":"470","DOI":"10.2307\/2695025","volume":"66","author":"R.G. Miller","year":"2001","unstructured":"Miller, R.G.: The $\\Delta_2^0$ -spectrum of a linear order. Journal of Symbolic Logic\u00a066, 470\u2013486 (2001)","journal-title":"Journal of Symbolic Logic"},{"issue":"3","key":"40_CR10","doi-asserted-by":"publisher","first-page":"162","DOI":"10.1023\/B:ALLO.0000028930.44605.68","volume":"43","author":"A.S. Morozov","year":"2004","unstructured":"Morozov, A.S., Puzarenko, V.G.: \u03a3-Subsets of Natural Numbers. Algebra and Logic\u00a043(3), 162\u2013178 (2004)","journal-title":"Algebra and Logic"},{"key":"40_CR11","doi-asserted-by":"publisher","first-page":"723","DOI":"10.2307\/2273222","volume":"46","author":"L.J. Richter","year":"1981","unstructured":"Richter, L.J.: Degrees of Structures. Journal of Symbolic Logic\u00a046, 723\u2013731 (1981)","journal-title":"Journal of Symbolic Logic"},{"key":"40_CR12","doi-asserted-by":"publisher","first-page":"2117","DOI":"10.1090\/S0002-9939-98-04307-X","volume":"126","author":"T. Slaman","year":"1998","unstructured":"Slaman, T.: Relative to any Nonrecursive Set. Proceedings of the American Mathematical Society\u00a0126, 2117\u20132122 (1998)","journal-title":"Proceedings of the American Mathematical Society"},{"key":"40_CR13","first-page":"45","volume":"96","author":"I.N. Soskov","year":"2003","unstructured":"Soskov, I.N.: Degree spectra and co-spectra of structures. Ann. Univ. Sofia\u00a096, 45\u201368 (2003)","journal-title":"Ann. Univ. Sofia"},{"key":"40_CR14","doi-asserted-by":"publisher","first-page":"2131","DOI":"10.1090\/S0002-9939-98-04314-7","volume":"126","author":"S. Wehner","year":"1998","unstructured":"Wehner, S.: Enumerations, Countable Structures, and Turing Degrees. Proceedings of the American Mathematical Society\u00a0126, 2131\u20132139 (1998)","journal-title":"Proceedings of the American Mathematical Society"}],"container-title":["Lecture Notes in Computer Science","Computation and Logic in the Real World"],"original-title":[],"link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/978-3-540-73001-9_40","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,4,25]],"date-time":"2020-04-25T05:36:26Z","timestamp":1587792986000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/978-3-540-73001-9_40"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2007]]},"ISBN":["9783540730002","9783540730019"],"references-count":14,"URL":"https:\/\/doi.org\/10.1007\/978-3-540-73001-9_40","relation":{},"ISSN":["0302-9743","1611-3349"],"issn-type":[{"value":"0302-9743","type":"print"},{"value":"1611-3349","type":"electronic"}],"subject":[],"published":{"date-parts":[[2007]]}}}