Handelman David Ed. Proceeding of ring theory waterloo Handelman David Ed.; Lawrece John Ed. - Berlin Springer-Verlag 1978 - x, 352p. cm. - Lecture notes in mathematics; 734 . Standard No.: 108 Source: Textual Subjects--Topical Terms: Combinatorial theory Dewey Class. No.: B217p1,N78, L8