000 00258nam a2200109Ia 4500
008 190911s9999||||xx |||||||||||||| ||und||
100 _aSehgal,Sudarshan K.
245 0 _aTopic In Group Rings
260 _aUSA
_bMc Graw Hill
_c1978
300 _a251
942 _cBK
999 _c6798
_d6798