Abelian groups and noncommutative rings : a collection of papers in memory of Robert B. Warfield, Jr. / L. Fuchs ... [y otros.], eds. - ix, 394 páginas - Contemporary mathematics ; v. 130 . ISBN: 0-8218-5142-x (papel alcalino) Subjects--Topical Terms: Grupos abelianosAnillos no conmutativos LC Class. No.: QA180 / A34