000 00310nam a2200121Ia 4500
008 220505s1997 xx 000 0 und d
041 _aeng
082 _a512.92/BHA
100 _aBhatt, R.D
_9629146
245 _aAlgebraic structure
260 _aMumbai
_bVipul Prakashan
_c1997
650 _aMATHEMATICS
_9629147
999 _c443905
_d443905