Media type: E-Article Title: Pursuit of the Universal: The Boolean Algebra of Piecewise Testable Languages Contributor: Konovalov, Anton; Selivanov, Victor Published: Springer International Publishing, 2016 Published in: Pursuit of the Universal (2016), Seite 292-301 Language: Not determined DOI: 10.1007/978-3-319-40189-8_30 ISSN: 0302-9743; 1611-3349 Origination: Footnote: