{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,3,29]],"date-time":"2022-03-29T13:00:19Z","timestamp":1648558819639},"reference-count":6,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[1994,1,1]],"date-time":"1994-01-01T00:00:00Z","timestamp":757382400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arch Math Logic"],"published-print":{"date-parts":[[1994,1]]},"DOI":"10.1007\/bf01275466","type":"journal-article","created":{"date-parts":[[2005,3,24]],"date-time":"2005-03-24T07:56:50Z","timestamp":1111651010000},"page":"1-12","source":"Crossref","is-referenced-by-count":0,"title":["The rhombus classes of degrees of unsolvability (I), The jump properties"],"prefix":"10.1007","volume":"33","author":[{"given":"Xizhong","family":"Zheng","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","reference":[{"key":"CR1","first-page":"249","volume":"38","author":"S.B. Cooper","year":"1973","unstructured":"[C] Cooper, S.B.: Minimal degrees and the jump operator. JSL.38, 249?271 (1973)","journal-title":"JSL"},{"key":"CR2","first-page":"159","volume":"22","author":"R.M. Friedberg","year":"1957","unstructured":"[F] Friedberg, R.M.: A criterion for completeness of degrees of unsolvability. JSL.22, 159?160 (1957)","journal-title":"JSL"},{"key":"CR3","volume-title":"Degrees of unsolvability. Perspectives in mathematical logic. ?-series","author":"M. Lerman","year":"1983","unstructured":"[Le] Lerman, M.: Degrees of unsolvability. Perspectives in mathematical logic. ?-series. Berlin Heidelberg New York: Springer 1983"},{"key":"CR4","doi-asserted-by":"crossref","first-page":"586","DOI":"10.2307\/1970028","volume":"69","author":"J.R. Shoenfield","year":"1959","unstructured":"[Sh] Shoenfield, J.R.: On degrees of unsolvability. Ann. of Math.69, 586?592 (1959)","journal-title":"Ann. of Math."},{"key":"CR5","doi-asserted-by":"crossref","DOI":"10.1007\/978-3-662-02460-7","volume-title":"Recursively enumerable sets and degrees, perspectives in mathematical logic. ?-series","author":"I.R. Soare","year":"1987","unstructured":"[So] Soare, I.R.: Recursively enumerable sets and degrees, perspectives in mathematical logic. ?-series. Berlin Heidelberg New York: Springer 1987"},{"key":"CR6","first-page":"13","volume":"7","author":"X. Zheng","year":"1990","unstructured":"[Z] Zheng, X.: The rhombus classes of degrees of unsolvability (II), jump classes and chain properties. J. of Nanjing University Mathematical Biquarterly7, 13?25 (1990)","journal-title":"J. of Nanjing University Mathematical Biquarterly"}],"container-title":["Archive for Mathematical Logic"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/BF01275466.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/BF01275466\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/BF01275466","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,4,30]],"date-time":"2019-04-30T18:15:04Z","timestamp":1556648104000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/BF01275466"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1994,1]]},"references-count":6,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1994,1]]}},"alternative-id":["BF01275466"],"URL":"https:\/\/doi.org\/10.1007\/bf01275466","relation":{},"ISSN":["0933-5846","1432-0665"],"issn-type":[{"value":"0933-5846","type":"print"},{"value":"1432-0665","type":"electronic"}],"subject":[],"published":{"date-parts":[[1994,1]]}}}