00309nam a2200133Ia 4500008004100000100002100041245003000062250001000092260002500102300000800127650001600135942000700151999001700158190216s9999||||xx |||||||||||||| ||und||  aProskuryakov.I.V 0aProblem In Linear Algebra  aFIRST  bMir Publishersc1978  a453  aMathematics  cBK  c30923d30923