00307nam a2200121Ia 4500008004100000100001900041245003600060250001200096260003700108650001600145942000700161999001700168190216s9999||||xx |||||||||||||| ||und||  aFrank Ayres Jr 0aTheory And Problems In Matrices  a3rd Ed.  bTata Mcgrawhill Publishersc1977  aMathematics  cBK  c30639d30639