TY  - JOUR
AU  - B. N. Delone
AU  - S. S. Ryshkov
TI  - A contribution to the theory of the extrema of a multi-dimensional $\zeta$-function
JO  - Doklady Akademii Nauk
PY  - 1967
SP  - 991
EP  - 994
VL  - 173
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1967_173_5_a0/
LA  - ru
ID  - DAN_1967_173_5_a0
ER  -