000 00302pam a2200109a 44500
082 _aJPL
_b45
100 _aKupperman,R H
245 1 _aA CLASSIFICATION PROBLEM IN COMMUTATIVE MATRIX THEORY
260 _a
_bJet Propulsion Laboratory, Pasadena, California
_c1961
964 _gCIRC
997 _aTR18290 C
999 _c404375
_d404375