000 00279nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aLal K B
245 0 _aAbstract Algebraic Systems
260 _bBharatibhawan
_c1983
300 _a562p
650 _aMathematics
942 _cBK
999 _c30982
_d30982