Gellfand, I. M. Algebra / I. M. Gelfand, A. Shen. - 1a ed. - Boston : Birkhauser, c1993 - vii, 149 p. : il. ; 23 cm. - Editorial Paz, . - 1a ed. . 1a ed. ISBN: 9780817636777 Subjects--Topical Terms: Algebra LC Class. No.: QA155 / G45 1993