{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,3,29]],"date-time":"2022-03-29T00:05:00Z","timestamp":1648512300613},"reference-count":6,"publisher":"Springer Science and Business Media LLC","issue":"2","license":[{"start":{"date-parts":[[1970,6,1]],"date-time":"1970-06-01T00:00:00Z","timestamp":13046400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Math. Systems Theory"],"published-print":{"date-parts":[[1970,6]]},"DOI":"10.1007\/bf01691101","type":"journal-article","created":{"date-parts":[[2005,5,14]],"date-time":"2005-05-14T03:48:31Z","timestamp":1116042511000},"page":"160-167","source":"Crossref","is-referenced-by-count":2,"title":["Zur Theorie Algorithmisch Abgeschlossener Modellklassen"],"prefix":"10.1007","volume":"4","author":[{"given":"Klaus","family":"Kaiser","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","reference":[{"key":"BF01691101_CR1","volume-title":"Universal Algebra","author":"P. M. Cohn","year":"1965","unstructured":"P. M. Cohn,Universal Algebra, Harper and Row, New York, 1965."},{"key":"BF01691101_CR2","doi-asserted-by":"crossref","first-page":"183","DOI":"10.1007\/BF01705528","volume":"1","author":"E. Engeler","year":"1967","unstructured":"E. Engeler, Algorithmic properties of structures,Math. Systems Theory 1 (1967), 183\u2013195.","journal-title":"Math. Systems Theory"},{"key":"BF01691101_CR3","doi-asserted-by":"crossref","first-page":"221","DOI":"10.2307\/1970235","volume":"74","author":"S. Kochen","year":"1961","unstructured":"S. Kochen, Ultraproducts in the theory of models,Ann. of Math. (2)74 (1961), 221\u2013261.","journal-title":"Ann. of Math. (2)"},{"key":"BF01691101_CR4","doi-asserted-by":"crossref","first-page":"131","DOI":"10.1007\/BF01359974","volume":"158","author":"J. Schmidt","year":"1965","unstructured":"J. Schmidt, Die \u00dcberinvarianten und verwandte Kongruenzrelationen in einer allgemeinen Algebra,Math. Ann. 158 (1965), 131\u2013157.","journal-title":"Math. Ann."},{"key":"BF01691101_CR5","volume-title":"Introduction to Model Theory and to the Metamathematics of Algebra","author":"A. Robinson","year":"1963","unstructured":"A. Robinson,Introduction to Model Theory and to the Metamathematics of Algebra, North Holland Publishing Co., Amsterdam, 1963."},{"key":"BF01691101_CR6","doi-asserted-by":"crossref","first-page":"589","DOI":"10.1016\/S1385-7258(54)50076-4","volume":"16","author":"R. L. Vaught","year":"1954","unstructured":"R. L. Vaught, Remarks on universal classes of relational systems,Indag. Math. 16 (1954), 589\u2013591.","journal-title":"Indag. Math."}],"container-title":["Mathematical Systems Theory"],"original-title":[],"language":"de","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/BF01691101.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/BF01691101\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/BF01691101","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,7]],"date-time":"2019-05-07T20:00:27Z","timestamp":1557259227000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/BF01691101"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1970,6]]},"references-count":6,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1970,6]]}},"alternative-id":["BF01691101"],"URL":"https:\/\/doi.org\/10.1007\/bf01691101","relation":{},"ISSN":["0025-5661","1433-0490"],"issn-type":[{"value":"0025-5661","type":"print"},{"value":"1433-0490","type":"electronic"}],"subject":[],"published":{"date-parts":[[1970,6]]}}}