000 00279nam a2200121 4500
008 160616s 000 0
245 _aCummutative matrices
100 _aSuprunenko, D.A
100 _aTyshkevich, R.I
500 _aB245 K8
942 _cBK
_2BK977
080 _a512.643 SUP
999 _c977
_d977