000 00253nam a2200109Ia 4500
008 211209s1983 xx 000 0 und d
041 _aeng
082 _aBAL
100 _aBALI, N P
245 _aDIFFERENTIAL CALCULUS
260 _bLAXMI PUBLICATION
_c1983
999 _c22205
_d22205