TY  - JOUR
AU  - A. B. Venkov
TI  - On an asymptotic formula connected with the number of eigenvalues corresponding to odd eigenfunctions of the Laplace--Beltrami operator on a fundamental region of the modular group $\mathrm{PSL}(2,\mathbf{Z})$
JO  - Doklady Akademii Nauk
PY  - 1977
SP  - 1021
EP  - 1023
VL  - 233
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1977_233_6_a1/
LA  - ru
ID  - DAN_1977_233_6_a1
ER  -