000 00311 a2200109 4500
020 _a8121900395
082 _a515.33 NAR
100 _aNarayan, Shanti
245 _aDifferential Calculus
_cShanti Narayan
260 _aNew Delhi :
_bShyam Lal Charitable Trust,
_c1990
300 _ax, 336p. :
_bill ., ;
_c21 cm
650 _aDifferential Calculus
999 _c501
_d501