Krasner, Marc. Structures paragraduées (groupes, anneaux, modules)/ par Marc Krasner et Mirjana Vukovic. - Kingston, Ont.: Queen's University, 1987. - 163 p.; 28 cm. - Queen's papers in pure and applied mathematics; no. 77 . Includes bibliographical references (p. 163). LCCN: 96226174 Subjects--Topical Terms: Group theory.Graded rings.Graded modules. Dewey Class. No.: 510 s 512/.2