TY  - BOOK
AU  - Sneddon,Ian N.
TI  - Elements of partial differential equations / 
SN  - 0070857407
U1  - 515.353 
PY  - 1957///
CY  - London : 
PB  - McGraw-Hill , 
KW  - DIFFERENTIAL EQUATION,PARTIAL
N1  - Includes index
ER  -