TY  - JOUR
AU  - E. P. Bogomolova
AU  - A. S. Pechentsov
TI  - Basic properties of the system of eigenfunctions of a boundary value problem with a multiple root of the characteristic polynomial
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1989
SP  - 17
EP  - 22
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1989_4_a4/
LA  - ru
ID  - VMUMM_1989_4_a4
ER  -