TY  - BOOK
AU  - Sneddon,Ian Naismith
TI  - Elements of partial differential equations
T2  - International series in pure and applied mathematics
SN  - 0070857407
U1  - 515.353 22
PY  - 1957///
CY  - New York
PB  - McGraw-Hill
KW  - Differential equations, Partial
ER  -