000 00294pam a2200121a 44500
082 _a517.383
_bG853i
100 _aGreenspan, Donald
245 1 _aINTRODUCTION TO PARTIAL DIFFERENTIAL EQUATIONS
260 _aN. Y.
_bMcgraw-Hill
_c1961
300 _a195
964 _gCIRC
997 _a21819 C
999 _c428677
_d428677