TY  - BOOK
AU  - Sommerfeld, Arnold.
TI  - Partial  Differential Equations in Physics :Lectures on Theoritical Physics / 
SN  - 0-12-654656-4
U1  - B334 
PY  - 1994///
CY  - New York : 
PB  - Academic Press, Inc. , 
KW  - Mathematics <Partial Differential Equations>
ER  -