Jean Berstel and Luc Boasson: The Set of Minimal Words of a Context-Free Language is Context-Free. (1997)journals/jcss/BerstelB9710.1006/JCSS.1997.1497The Set of Minimal Words of a Context-Free Language is Context-Free.2Jean Berstel1Luc Boasson2477-488J. Comput. Syst. Sci.J. Comput. Syst. Sci.5531997provenance information for RDF data of dblp record 'journals/jcss/BerstelB97'2021-02-16T14:04:37+0100