000 00311nam a2200133Ia 4500
008 221231s9999 xx 000 0 und d
100 _aPiskunon N
_94728
245 0 _aDifferential Integral Calculus vol-1
260 _bM I R
260 _c1974
300 _a471
650 _aMathematics
_94729
942 _cBE_BK
999 _c3671
_d3671