Satyanarayana, M., 1928- Positively ordered semigroups/ M. Satyanarayana. - New York: M. Dekker, c1979. - v, 102 p. ; 26 cm. - Lecture notes in pure and applied mathematics; v. 42. . Includes index. Bibliography: p. 99-100. ISBN: 0824768108 LCCN: 79010077 Subjects--Topical Terms: Semigroups; Dewey Class. No.: 512.2 / S254p