{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T03:18:28Z","timestamp":1778037508036,"version":"3.51.4"},"reference-count":4,"publisher":"Society for Industrial & Applied Mathematics (SIAM)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["SIAM J. Comput."],"published-print":{"date-parts":[[1980,8]]},"DOI":"10.1137\/0209048","type":"journal-article","created":{"date-parts":[[2005,2,24]],"date-time":"2005-02-24T06:21:58Z","timestamp":1109226118000},"page":"636-652","source":"Crossref","is-referenced-by-count":76,"title":["Space Lower Bounds for Maze Threadability on Restricted Machines"],"prefix":"10.1137","volume":"9","author":[{"given":"Stephen A.","family":"Cook","sequence":"first","affiliation":[]},{"given":"Charles W.","family":"Rackoff","sequence":"additional","affiliation":[]}],"member":"351","reference":[{"key":"R1","doi-asserted-by":"publisher","DOI":"10.1016\/S0019-9958(64)90120-2"},{"key":"R2","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-0000(70)80006-X"},{"key":"R3","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-0000(73)80031-5"},{"key":"R8","doi-asserted-by":"publisher","DOI":"10.1109\/SFCS.1979.34"}],"container-title":["SIAM Journal on Computing"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/epubs.siam.org\/doi\/pdf\/10.1137\/0209048","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,1,29]],"date-time":"2017-01-29T12:14:35Z","timestamp":1485692075000},"score":1,"resource":{"primary":{"URL":"http:\/\/epubs.siam.org\/doi\/10.1137\/0209048"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1980,8]]},"references-count":4,"journal-issue":{"issue":"3","published-print":{"date-parts":[[1980,8]]}},"alternative-id":["10.1137\/0209048"],"URL":"https:\/\/doi.org\/10.1137\/0209048","relation":{},"ISSN":["0097-5397","1095-7111"],"issn-type":[{"value":"0097-5397","type":"print"},{"value":"1095-7111","type":"electronic"}],"subject":[],"published":{"date-parts":[[1980,8]]}}}