Rings, modules and linear algebra : a further course in algebra describing the structure of Abelian groups and canonical forms of matrices through the study of rings and modules / B. Hartley , T. O. Hawkes. Hartley, B. (Brian), 1939-1994. Hawkes, Trevor O., 1936- joint author. Algebras, Linear. Modules (Algebra) Rings (Algebra) QA251 .H275 512.897 HAR "Distributed in the U.S.A. by Barnes & Noble, inc." Includes bibliographical references. London : Chapman & Hall, c1970. c1970. 1970 Text xi, 210 p. : eng Chapman and Hall mathematics series