TY  - BOOK
AU  - Smirnov, Modest Mikhailovich
AU  - Scripta Technica Ltd.
TI  - SECOND-ORDER PARTIAL DIFFERENTIAL EQUATIONS
U1  - 517.383 
PY  - 1966///
CY  - Groningen, The Netherlands
PB  - Noordhoff
KW  - Differential Equations, Partial
N1  - Bibliography : P. 193
ER  -