Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1964_159_5_a3, author = {N. V. Govorov}, title = {A non-homogeneous {Riemann} boundary-value problem with infinite index}, journal = {Doklady Akademii Nauk}, pages = {961--964}, publisher = {mathdoc}, volume = {159}, number = {5}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1964_159_5_a3/} }
N. V. Govorov. A non-homogeneous Riemann boundary-value problem with infinite index. Doklady Akademii Nauk, Tome 159 (1964) no. 5, pp. 961-964. http://geodesic.mathdoc.fr/item/DAN_1964_159_5_a3/