%0 Journal Article %A L. D. Èskin %T The $\zeta$-function on the group of unitary matrices %J Doklady Akademii Nauk %D 1963 %P 1327-1328 %V 152 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_152_6_a14/ %G ru %F DAN_1963_152_6_a14