TY  - BOOK
AU  - Lavrentiev,M.M.
AU  - Sacker,Robert J.
TI  - Some improperly posed problems of mathematical physics
PY  - 1967///
CY  - Berlin
PB  - Springer-Verlag
KW  - Mathematical physics
N1  - Translation of Onekotorykh nekorrektnykh zadachakh matematicheskoi fiziki
ER  -