Sharma, A. K. text book of matrix (for B.A., B.Sc., I.A.S., P.C.S.) [Book] / A. K. Sharma. - New Delhi : Discovery Publishing House, 2004. - 333 p. ; 22 cm. - DPH Mathematics Series . All. ISBN: 8171418945 Subjects--Topical Terms: Matrices--Textbooks. Dewey Class. No.: 512.9434