NATO science series. Sub-ser.II, Mathematics, physics and chemistry. Vol. 207 : Structural theory of automata, semigroups, and universal algebra : proc. of the NATO advanced study inst. on structural theory of automata, semigroups a. universal algebra, Montreal, Quebec, Canada, 7-18 July, 2003 / Ed.: V.B.Kudryavtsev, I.G.Rosenberg, 2005. - XXII,434 p. - Текст : непосредственный.
Structural theory of automata, semigroups, and universal algebra : proceedings of the NATO advanced study institute on structural theory of automata, semigroups and universal algebra Montreal, Quebec, Canada 7-18 July 2003 / SpringerLink (Online service), 2005 r=on-line. - Текст : электронный.