TY  - JOUR
AU  - V. A. Sadovnichii
AU  - B. E. Kanguzhin
TI  - A connection between the spectrum of a differential operator with symmetric coefficients and the boundary conditions
JO  - Doklady Akademii Nauk
PY  - 1982
SP  - 310
EP  - 313
VL  - 267
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1982_267_2_a12/
LA  - ru
ID  - DAN_1982_267_2_a12
ER  -