000 00298nam a2200133Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aP D S Varma
245 _aEngineering mathematics
250 _a1st
260 _bDelhi:vikas pub
_c1997
300 _a276p.
650 _aMath
999 _c283
_d283