Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1980_255_1_a4, author = {N. V. Kislov}, title = {Boundary value problems for an equation of mixed type in a rectangular domain}, journal = {Doklady Akademii Nauk}, pages = {26--30}, publisher = {mathdoc}, volume = {255}, number = {1}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1980_255_1_a4/} }
N. V. Kislov. Boundary value problems for an equation of mixed type in a rectangular domain. Doklady Akademii Nauk, Tome 255 (1980) no. 1, pp. 26-30. http://geodesic.mathdoc.fr/item/DAN_1980_255_1_a4/