Media type: E-Article Title: Separability by piecewise testable languages is PTime-complete Contributor: Masopust, Tomáš Published: Elsevier BV, 2018 Published in: Theoretical Computer Science, 711 (2018), Seite 109-114 Language: English DOI: 10.1016/j.tcs.2017.11.004 ISSN: 0304-3975 Origination: Footnote: Access State: Open Access