000 00351nam a2200133Ia 45e0
008 180501s1977 xx 000 0 und d
100 _aMOHAN SINGH
245 0 _aDIFFERENTIAL CALCULAS
250 _aIST
260 _bNATIONAL PUBLISHER
_c1977
300 _a196
650 _aMAT
942 _2ddc
_cBK
999 _c515
_d515