000 00272nam a2200097Ia 4500
008 120229s9999 xx 000 0 und d
082 _a515.33 NAR
100 _aNarayan,Shanti
245 _aDifferential calculus
260 _bShyamlal Charitable Trust
_aNew Delhi
_c2007
999 _c119903
_d119903