{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,2,20]],"date-time":"2023-02-20T05:58:03Z","timestamp":1676872683271},"reference-count":8,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[1978,12,1]],"date-time":"1978-12-01T00:00:00Z","timestamp":281318400000},"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":[[1978,12]]},"DOI":"10.1007\/bf01776563","type":"journal-article","created":{"date-parts":[[2005,6,18]],"date-time":"2005-06-18T06:29:16Z","timestamp":1119076156000},"page":"1-8","source":"Crossref","is-referenced-by-count":9,"title":["Refining nondeterminism in context-free languages"],"prefix":"10.1007","volume":"12","author":[{"given":"Chandra M. R.","family":"Kintala","sequence":"first","affiliation":[]}],"member":"297","reference":[{"key":"BF01776563_CR1","unstructured":"R. V. Book, A Note on Limited Nondeterminism, Technical Report, University of California, Santa Barbara, 1976."},{"key":"BF01776563_CR2","doi-asserted-by":"crossref","unstructured":"S. Ginsburg,The Mathematical Theory of Context-Free Languages, McGraw-Hill, 1966.","DOI":"10.1145\/321312.321318"},{"key":"BF01776563_CR3","doi-asserted-by":"crossref","first-page":"620","DOI":"10.1016\/S0019-9958(66)80019-0","volume":"9","author":"S. Ginsburg","year":"1966","unstructured":"S. Ginsburg andS. A. Greibach, Deterministic context-free languages,Information and Control 9 (1966), 620\u2013648.","journal-title":"Information and Control"},{"key":"BF01776563_CR4","doi-asserted-by":"crossref","unstructured":"C. M. R. Kintala, Computations with a Restricted Number of Nondeterministic Steps, Ph.D. Dissertation, The Pennsylvania State University, 1977.","DOI":"10.1145\/800105.803407"},{"key":"BF01776563_CR5","doi-asserted-by":"crossref","unstructured":"C. M. R. Kintala andP. C. Fischer, Computations with a restricted number of nondeterministic steps,Proceedings of 9th Annual STOC, 168\u2013185, 1977.","DOI":"10.1145\/800105.803407"},{"key":"BF01776563_CR6","doi-asserted-by":"crossref","first-page":"185","DOI":"10.1007\/BF01762237","volume":"7","author":"L. Liu","year":"1973","unstructured":"L. Liu, andP. Weiner, An infinite Hierarchy of Intersection of Context-Free Languages,Math. System Theory 7 (1973), 185\u2013192.","journal-title":"Math. System Theory"},{"key":"BF01776563_CR7","doi-asserted-by":"crossref","unstructured":"J. Ogden, Intercalation Theorems for Pushdown Store and Stack Languages, Ph.D. Thesis, Stanford University, 1968.","DOI":"10.1145\/800169.805419"},{"key":"BF01776563_CR8","doi-asserted-by":"crossref","unstructured":"D. Wotschke, Boolean closure of deterministic and nondeterministic context-free languages,Conf. Record of the GI 3rd Annual Symposium, 1973.","DOI":"10.1007\/978-3-662-41148-3_11"}],"container-title":["Mathematical Systems Theory"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/BF01776563.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/BF01776563\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/BF01776563","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,4,7]],"date-time":"2020-04-07T20:45:34Z","timestamp":1586292334000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/BF01776563"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1978,12]]},"references-count":8,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1978,12]]}},"alternative-id":["BF01776563"],"URL":"https:\/\/doi.org\/10.1007\/bf01776563","relation":{},"ISSN":["0025-5661","1433-0490"],"issn-type":[{"value":"0025-5661","type":"print"},{"value":"1433-0490","type":"electronic"}],"subject":[],"published":{"date-parts":[[1978,12]]}}}