Bobrow, Leonard S. Discrete mathematics applied algebra for computer and information science / [Book] : [by] Leonard S. Bobrow [and] Michael A. Arbib. - Philadelphia, : Saunders, [1974]. - xiii, 719 p. : illus. ; 25 cm. All. ISBN: 0721617689 Subjects--Topical Terms: Machine theory.Formal languages.Algebra, Abstract. Dewey Class. No.: 512.02