%0 Journal Article
%A R. S. Sadyrkhanov
%T Some properties of finite-to-one covering maps and their applications
%J Doklady Akademii Nauk
%D 1981
%P 44-49
%V 259
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1981_259_1_a9/
%G ru
%F DAN_1981_259_1_a9