%0 Journal Article
%A A. D. Mednykh
%T On branched coverings of Riemann surfaces with the trivial group of covering transformations
%J Doklady Akademii Nauk
%D 1977
%P 1267-1269
%V 235
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1977_235_6_a7/
%G ru
%F DAN_1977_235_6_a7