000 00257nam a2200109Ia 4500
008 211209s1963 xx 000 0 und d
041 _aeng
082 _a515.33 N63 SIN
100 _aSINGH, ARJUN
245 _aDIFFERENTIAL CALCULUS MADE CLEAR
260 _c1963
999 _c2415
_d2415