TY  - JOUR
AU  - M. Sh. Birman
AU  - M. Z. Solomyak
TI  - Asymptotic properties of the spectrum of differential equations
JO  - Itogi nauki i tehniki. Seriâ, Matematičeskij analiz
PY  - 1977
SP  - 5
EP  - 58
VL  - 14
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/INTM_1977_14_a0/
LA  - ru
ID  - INTM_1977_14_a0
ER  -