Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1963_152_1_a0, author = {L. A. Aksent'ev}, title = {Indices of functions on {Riemann} surfaces}, journal = {Doklady Akademii Nauk}, pages = {9--12}, publisher = {mathdoc}, volume = {152}, number = {1}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_152_1_a0/} }
L. A. Aksent'ev. Indices of functions on Riemann surfaces. Doklady Akademii Nauk, Tome 152 (1963) no. 1, pp. 9-12. http://geodesic.mathdoc.fr/item/DAN_1963_152_1_a0/