000 00291nam a2200121Ia 4500
008 220201s1992 xx 000 0 eng d
100 _aGORAKH PRASAD
245 0 _aTB OF DIFFERENTIAL CALCULUS
250 _aALLAHABAD
260 _aALLAHABAD
_bPATHSHALA
_c1992
300 _a327
942 _2ddc
999 _c66578
_d66578