000 00288nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aSankara Rao.K
245 0 _aPartial Differential Equations
260 _bPrentice Hall
_c1995
300 _a357
650 _aMathematics
942 _cBK
999 _c31143
_d31143