Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1963_152_6_a0, author = {R. N. Abdulaev}, title = {Solvability criteria for the homogeneous {Riemann} problem on closed {Riemann} surfaces}, journal = {Doklady Akademii Nauk}, pages = {1279--1281}, publisher = {mathdoc}, volume = {152}, number = {6}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_152_6_a0/} }
R. N. Abdulaev. Solvability criteria for the homogeneous Riemann problem on closed Riemann surfaces. Doklady Akademii Nauk, Tome 152 (1963) no. 6, pp. 1279-1281. http://geodesic.mathdoc.fr/item/DAN_1963_152_6_a0/