000 00280nam a2200121Ia 4500
100 _aPrasad/ P./ Ravindran/ R.
942 _cBK
654 _apartial
245 _aPartial differential equations
260 _bWiley eastern
_aNew Dellhi
_c1991
300 _a252
546 _aENGLISH
999 _c19456
_d19456