Text ( visual ) : unmediated Matrices and vector spaces / F. Brickell. -- pbk. -- London : Allen and Unwin , 1972. -- [5], 88 p. ; 23 cm. -- (Problem solvers ; no. 8). -- Includes index. -- ISBN 0045120161 ; 004512017X ; (BA07639297) ; https://ci.nii.ac.jp/ncid/BA07639297 Author Heading(s): Brickell, F.. -- Classification(s): LCC : QA188 ; DC : 512.9/43/076. -- Subject Heading(s): LCSH : Matrices -- Problems, exercises, etc ; LCSH : Vector spaces -- Problems, exercises, etc