000 00370n a2200157 a 4500
000 B B
001 026283
005 20220202122751.0
082 _a515.35
_bP8 MAT
100 _aKumar, R.
245 _aPartial Diffrenential Equation
260 _aDelhi
_bVardhman
_c2007
300 _a332;28p.
690 _aDiffrential equation,Mathematics
908 _aT
999 _c26262
_d26262