Bass, Hyman Projective modules and symmetric algebras/ by Hyman Bass. - Rio de Janeiro: IMPA, 1978. - v, 130 p. ; 22 cm. - Monografias de Matemática (IMPA); no. 30. . Includes index. Bibliography: p. 121-125. Subjects--Topical Terms: Projective modules (Algebra)K-theory.Algebra Comutativa. Dewey Class. No.: 512.873