TY  - JOUR
AU  - L. B. Parnovskii
TI  - Asymptotics of the discrete spectrum of the Dirichlet and Neumann problems on the fundamental domain of the crystallographic group
JO  - Matematičeskie zametki
PY  - 1989
SP  - 63
EP  - 69
VL  - 45
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1989_45_5_a6/
LA  - ru
ID  - MZM_1989_45_5_a6
ER  -