Revesz, Gyorgy E. Introduction to formal languages / Gyorgy E. Revesz. - New York : McGraw-Hill, 1983. - viii, 199 p. : ill. ; 25 cm. - McGraw-Hill computer science series . ISBN: 0486666972 Subjects--Topical Terms: Formal languages. Dewey Class. No.: 001.6424 / REV