000 00369nam a2200157Ia 4500
008 230913s9999 xx 000 0 und d
082 _a515.35 rai
100 _aRai Singhania, M D
245 0 _aOrdinary And Partial Defferential Equat.
250 _aVIi
260 _aNEW DELHI
260 _bS.CHAND
260 _c2001
300 _a266
650 _aMathematics
999 _c139225
_d139225