000 00258nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aA D Gupta & others
245 0 _aTopics in algebra
260 _aNew Delhi
_bLaxmi Pub
_c1992
650 _aMath
942 _cBK
999 _c8166
_d8166