Coulson, A. E. Introduction to matrices / A.E. Coulson. - London : Longmans , c1965 [3rd. imp. 1969]. - vii, 152 p. : illus. ; 21 cm. Bibliography: p. 129. and index. Subjects--Topical Terms: Matrices. Dewey Class. No.: 512.896 / COI 1969