000 00227 a2200097 4500
001 23029
100 _aWebster, A G
245 _aPartial Differential Equations of Math
260 _a
_bMcGraw-Hill
_c1966
090 _c15571
_d15571
942 _aNUST-CAE
_cM
_c6193
999 _c258102
_d258102