TY  - BOOK
AU  - Arthur Gordon Webster
AU  - ; Samuel James Plimpton
TI  - Partial differential equations of mathematical physics
U1  - 517.38 WEB 
PY  - 1955///
CY  - New York
PB  - :Dover Publications 
KW  - Mathematics
KW  - ;Mathematical physics
KW  - ;Differential equations, Partial
ER  -