TY  - JOUR
AU  - R. Sh. Bakuradze
AU  - I. V. Stankevich
TI  - Some identities for eigenvalues and eigenfunctions of a class of fourth-order differential operators
JO  - Differencialʹnye uravneniâ
PY  - 1990
SP  - 1483
EP  - 1490
VL  - 26
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1990_26_9_a1/
LA  - ru
ID  - DE_1990_26_9_a1
ER  -