000 00351nam a2200121Ia 4500
008 190829s9999 xx 000 0 und d
020 _a81 219 0892 2
082 _a515.35
_bRAI/OR
100 _aRAISINGHANIA, M.D.
245 0 _aORDINARY AND PARTIAL DIFFERENTIAL EQAUTIONS
260 _bS.Chand and Company Ltd., New Delhi
_aNew Delhi
_c2000
942 _cBK
999 _c7077
_d7077