000 00286nam a2200109Ia 4500
008 230222s9999 xx 000 0 und d
082 _a510
100 _aP D S Verma
245 0 _aAdvanced engineering mathematics
260 _bVikas Publishing House Pvt Ltd, New Delhi
_c1999
942 _cBK
999 _c1213
_d1213