TY  - JOUR
AU  - V. I. Filippenko
TI  - Multiplicity of the spectrum of a~self-adjoint ordinary differential operator of odd order
JO  - Matematičeskie zametki
PY  - 1975
SP  - 631
EP  - 638
VL  - 17
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1975_17_4_a14/
LA  - ru
ID  - MZM_1975_17_4_a14
ER  -