Media type: E-Article Title: A proof of Simon's theorem on piecewise testable languages Contributor: Higgins, Peter M. Published: Elsevier BV, 1997 Published in: Theoretical Computer Science, 178 (1997) 1-2, Seite 257-264 Language: English DOI: 10.1016/s0304-3975(96)00230-7 ISSN: 0304-3975 Keywords: General Computer Science ; Theoretical Computer Science Origination: Footnote: Access State: Open Access