Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1964_157_1_a5, author = {E. I. Zverovich}, title = {Boundary-value problems with shift on abstract {Riemann} surfaces}, journal = {Doklady Akademii Nauk}, pages = {26--29}, publisher = {mathdoc}, volume = {157}, number = {1}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1964_157_1_a5/} }
E. I. Zverovich. Boundary-value problems with shift on abstract Riemann surfaces. Doklady Akademii Nauk, Tome 157 (1964) no. 1, pp. 26-29. http://geodesic.mathdoc.fr/item/DAN_1964_157_1_a5/