{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,9,1]],"date-time":"2023-09-01T10:40:16Z","timestamp":1693564816550},"reference-count":4,"publisher":"Wiley","issue":"1-6","license":[{"start":{"date-parts":[[2006,11,13]],"date-time":"2006-11-13T00:00:00Z","timestamp":1163376000000},"content-version":"vor","delay-in-days":10543,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Mathematical Logic Qtrly"],"published-print":{"date-parts":[[1978,1]]},"DOI":"10.1002\/malq.19780240104","type":"journal-article","created":{"date-parts":[[2007,5,28]],"date-time":"2007-05-28T21:46:54Z","timestamp":1180388814000},"page":"25-30","source":"Crossref","is-referenced-by-count":2,"title":["Elementary Formal Systems for Hyperarithmetical Relations"],"prefix":"10.1002","volume":"24","author":[{"given":"Melvin","family":"Fitting","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,11,13]]},"reference":[{"key":"e_1_2_1_2_2","volume-title":"Computability and Unsolvability","author":"Davis M.","year":"1958"},{"key":"e_1_2_1_3_2","volume-title":"Theory of Recursive Functions and Effective Computability","author":"Rogers H.","year":"1967"},{"key":"e_1_2_1_4_2","first-page":"601","article-title":"On Definability by recursion (abstract)","volume":"62","author":"Smullyan R.","year":"1956","journal-title":"A.M.S. Bulletin"},{"key":"e_1_2_1_5_2","doi-asserted-by":"crossref","DOI":"10.1515\/9781400882007","volume-title":"Theory of Formal Systems","author":"Smullyan R.","year":"1961"}],"container-title":["Mathematical Logic Quarterly"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Fmalq.19780240104","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/malq.19780240104","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,8,31]],"date-time":"2023-08-31T09:07:39Z","timestamp":1693472859000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/malq.19780240104"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1978,1]]},"references-count":4,"journal-issue":{"issue":"1-6","published-print":{"date-parts":[[1978,1]]}},"alternative-id":["10.1002\/malq.19780240104"],"URL":"https:\/\/doi.org\/10.1002\/malq.19780240104","archive":["Portico"],"relation":{},"ISSN":["0942-5616","1521-3870"],"issn-type":[{"value":"0942-5616","type":"print"},{"value":"1521-3870","type":"electronic"}],"subject":[],"published":{"date-parts":[[1978,1]]}}}