000 00308nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a515.353
100 _aGerald B Folland
245 0 _aIntroduction to Partial differential equations
250 _a2
260 _bPrentice Hall Of India
_c2003
942 _cBK
999 _c5748
_d5748