On Varieties of Languages Closed Under Products with Counter

Pascal Weil. On Varieties of Languages Closed Under Products with Counter. In Antoni Kreczmar, Grazyna Mirkowska, editors, Mathematical Foundations of Computer Science 1989, MFCS 89, Porabka-Kozubnik, Poland, August 28 - September 1, 1989, Proceedings. Volume 379 of Lecture Notes in Computer Science, pages 534-544, Springer, 1989.

Abstract

Abstract is missing.