{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,9,6]],"date-time":"2024-09-06T01:42:48Z","timestamp":1725586968370},"publisher-location":"Berlin, Heidelberg","reference-count":8,"publisher":"Springer Berlin Heidelberg","isbn-type":[{"type":"print","value":"9783642199998"},{"type":"electronic","value":"9783642200007"}],"license":[{"start":{"date-parts":[[2011,1,1]],"date-time":"2011-01-01T00:00:00Z","timestamp":1293840000000},"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":[[2011]]},"DOI":"10.1007\/978-3-642-20000-7_3","type":"book-chapter","created":{"date-parts":[[2011,6,21]],"date-time":"2011-06-21T03:27:21Z","timestamp":1308626841000},"page":"16-23","source":"Crossref","is-referenced-by-count":0,"title":["A Recurrent Enumeration of Free Hypermultisets"],"prefix":"10.1007","author":[{"given":"Vincenzo","family":"Manca","sequence":"first","affiliation":[]}],"member":"297","reference":[{"key":"3_CR1","first-page":"427","volume":"9","author":"A. Cayley","year":"1875","unstructured":"Cayley, A.: On the analytical forms called trees, with application to the theory of chemical combinations. Mathematical Papers\u00a09, 427\u2013460 (1875)","journal-title":"Mathematical Papers"},{"key":"3_CR2","doi-asserted-by":"publisher","first-page":"75","DOI":"10.1112\/plms\/s2-17.1.75","volume":"17","author":"G.H. Hardy","year":"1918","unstructured":"Hardy, G.H., Ramanujan, S.: Asymptotic Formulae in Combinatory Analysis. Proc. London Math. Soc.\u00a017, 75\u2013115 (1918)","journal-title":"Proc. London Math. Soc."},{"key":"3_CR3","series-title":"Fundamental Algorithms","volume-title":"The Art of Computer Programming","author":"D. Knuth","year":"1968","unstructured":"Knuth, D.: The Art of Computer Programming. Fundamental Algorithms, vol.\u00a01. Addison Wesley, Reading (1968)"},{"key":"3_CR4","series-title":"Lecture Notes in Computer Science","doi-asserted-by":"publisher","first-page":"292","DOI":"10.1007\/978-3-540-95885-7_21","volume-title":"Membrane Computing","author":"V. Manca","year":"2009","unstructured":"Manca, V.: Enumerating Membrane Structures. In: Corne, D., et al. (eds.) WMC 2008. LNCS, vol.\u00a05391, pp. 292\u2013298. Springer, Heidelberg (2009)"},{"issue":"3","key":"3_CR5","doi-asserted-by":"publisher","first-page":"583","DOI":"10.2307\/1969046","volume":"49","author":"R. Otter","year":"1948","unstructured":"Otter, R.: The Number of Trees. The Annals of Mathematics, 2nd Ser.\u00a049(3), 583\u2013599 (1948)","journal-title":"The Annals of Mathematics, 2nd Ser."},{"key":"3_CR6","unstructured":"P\u0103un, G.: Personal Communication (October 1998)"},{"key":"3_CR7","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-56196-2","volume-title":"Membrane Computing: an introduction","author":"G. P\u0103un","year":"2002","unstructured":"P\u0103un, G.: Membrane Computing: an introduction. Springer, Heidelberg (2002)"},{"issue":"8","key":"3_CR8","first-page":"912","volume":"59","author":"N.J.A. Sloane","year":"2003","unstructured":"Sloane, N.J.A.: The On-Line Encyclopedia of Integer Sequences. Notices of The American Mathematical Society\u00a059(8), 912\u2013915 (2003)","journal-title":"Notices of The American Mathematical Society"}],"container-title":["Lecture Notes in Computer Science","Computation, Cooperation, and Life"],"original-title":[],"link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/978-3-642-20000-7_3","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,3,29]],"date-time":"2019-03-29T03:11:22Z","timestamp":1553829082000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/978-3-642-20000-7_3"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2011]]},"ISBN":["9783642199998","9783642200007"],"references-count":8,"URL":"https:\/\/doi.org\/10.1007\/978-3-642-20000-7_3","relation":{},"ISSN":["0302-9743","1611-3349"],"issn-type":[{"type":"print","value":"0302-9743"},{"type":"electronic","value":"1611-3349"}],"subject":[],"published":{"date-parts":[[2011]]}}}