TY  - JOUR
AU  - N. V. Tsyvis
AU  - N. J. Yurchuk
TI  - A three-point problem for third-order operator-differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1987
SP  - 877
EP  - 881
VL  - 23
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1987_23_5_a18/
LA  - ru
ID  - DE_1987_23_5_a18
ER  -