On the rationality of Petri net languages
We give a new interpretation of rationality for Petri net languages improving the result of \textit{R. Valk} and \textit{G. Vidal} [Lect. Notes Comput. Sci. 48, 319-328 (1977; Zbl 0368.68067)].
scientific article; zbMATH DE number 3945363