%0 Journal Article %A G. A. Barsegyan %T A geometric approach to the problem of the branching of Riemann surfaces %J Doklady Akademii Nauk %D 1977 %P 761-763 %V 237 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_237_4_a0/ %G ru %F DAN_1977_237_4_a0