TY  - BOOK
AU  - Otway, Thomas H
TI  - Dirichlet problem for Elliptic- Hyperbolic equations of Kelduysh type
T2  - Lecture Notes in Mathematics
SN  - 9783642244148
U1  - 515.3535 
PY  - 2012///
CY  - New York
PB  - Springer
ER  -