TY - BOOK ID - 135730572 TI - Quadratic forms and matrices : an introductory approach AU - Yefimov, N. V. AU - Shenitzer, A. PY - 1964 PB - New York (N.Y.): Academic press DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:135730572 AB - ER -