Media type: E-Article Title: Computation of Controllable Sublanguages for Unbounded Petri Nets Using Their Approximation Models Contributor: TAKAI, S.; BAI, Y. Published: Institute of Electronics, Information and Communications Engineers (IEICE), 2006 Published in: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, E89-A (2006) 11, Seite 3250-3253 Language: English DOI: 10.1093/ietfec/e89-a.11.3250 ISSN: 0916-8508; 1745-1337 Keywords: Applied Mathematics ; Electrical and Electronic Engineering ; Computer Graphics and Computer-Aided Design ; Signal Processing Origination: Footnote: