TY  - JOUR
AU  - L. Tepoyan
TI  - Fourth-order degenerate operator-differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1987
SP  - 1366
EP  - 1376
VL  - 23
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1987_23_8_a9/
LA  - ru
ID  - DE_1987_23_8_a9
ER  -