000 00275nam a2200109Ia 4500
999 _c29638
_d29638
020 _a9788120309791
100 _aSankara Rao K
245 _aIntroduction to Partial Differential Equations
260 _c2002
_bPRENTICE HALL OF INDIA
_aNew Delhi
300 _ax+357
942 _cBB