Ginzburg, Abraham. Algebraic theory of automata. - New York, Academic Press, 1968. - ix, 165 p. illus. 24 cm. - ACM monograph series . - ACM monograph series. . Bibliography: p. 157-160. LCCN: 68-023492 Subjects--Topical Terms: Machine theory. Dewey Class. No.: 629.8/9