TY  - JOUR
AU  - B. M. Levitan
AU  - L. B. Parnovskii
TI  - On the asymptotic behavior of the discrete spectrum of the Dirichlet and Neumann problems for the Laplace--Beltrami operator on a regular polyhedron in the Lobachevskii space
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1990
SP  - 21
EP  - 28
VL  - 24
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1990_24_1_a2/
LA  - ru
ID  - FAA_1990_24_1_a2
ER  -