%0 Journal Article %A A. D. Mednykh %T On the solution of the Hurwitz problem on the number of nonequivalent coverings over a compact Riemann surface %J Doklady Akademii Nauk %D 1981 %P 537-542 %V 261 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_261_3_a5/ %G ru %F DAN_1981_261_3_a5