TY  - JOUR
AU  - A. G. Kostyuchenko
TI  - Distribution of eigenvalues of singular differential operators
JO  - Doklady Akademii Nauk
PY  - 1966
SP  - 21
EP  - 24
VL  - 168
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1966_168_1_a3/
LA  - ru
ID  - DAN_1966_168_1_a3
ER  -