The first section contains papers relating to one of the basic concepts of formal language theory, namely that the grammar. Automation concepts from formal language theory discussed in the second section: the type of automata investigated both in the search for new theoretical properties or for potential applications in software engineering, linguistics and ecology. The third section discusses the language for the description of the drawings, semilinear and DOL power series, the relationship between different classes of languages and language associated with the rewrite system.