000 00276nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aD T Prashara/ O P Chug
245 0 _aComprehensive differential calculus
260 _aDelhi
_bLaxmi Pub
_c1981
650 _aMath
942 _cBK
999 _c4121
_d4121