%0 Journal Article %A R. N. Abdulaev %T Solvability criteria for the homogeneous Riemann problem on closed Riemann surfaces %J Doklady Akademii Nauk %D 1963 %P 1279-1281 %V 152 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_152_6_a0/ %G ru %F DAN_1963_152_6_a0