000 00310nam a2200133Ia 4500
008 230118s9999||||xx |||||||||||||| ||und||
082 _a515.3
082 _bNAR/D
100 _ashanti
_bnarayan
245 0 _adifferential calculus
260 _anew delhi
260 _bshyam lal charitable trust
260 _c1942
999 _c6354
_d6354