%0 Journal Article
%A A. D. Mednykh
%T On unramified coverings of compact Riemann surfaces
%J Doklady Akademii Nauk
%D 1979
%P 529-532
%V 244
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1979_244_3_a2/
%G ru
%F DAN_1979_244_3_a2