000 00279nam a2200121Ia 4500
008 130409s9999 xx 000 0 und d
100 _aA.D GUPTA
245 _aTOPICS IN MATHEMATICS
260 _bLuxmi Delhi
_c1990
300 _a263
650 _aMATHS
_bB.SC.
942 _2ddc
_cBK
999 _c10531
_d10531