TY  - JOUR
AU  - S. V. Uspenskii
AU  - G. V. Demidenko
TI  - On mixed boundary-value problems for a class of equations unsolved with respect to the highest derivative
JO  - Doklady Akademii Nauk
PY  - 1980
SP  - 560
EP  - 562
VL  - 252
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1980_252_3_a11/
LA  - ru
ID  - DAN_1980_252_3_a11
ER  -