Searle, Shayle Robert, 1928- Matrix algebra for business and economics / by S. R. Searle and W . H. Hausman; with assistance from H. Bierman [and others]. - New York : Wiley-Interscience , 1970. - xii, 362 p. ; 24 cm. Subjects--Topical Terms: Matrices--Problems, excercises, etc. Dewey Class. No.: 512.943 SEA