TY  - BOOK
AU  - Sneddon, Ian N
TI  - Elements of Partial Differential Equations
U1  - 515.353 
PY  - 1957///
CY  - New York
PB  - Mac Graw-Hill Book Co.
KW  - General Stack
KW  - Natural Sciences
KW  - MathematicsMathematics
ER  -