Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_2000_36_8_a14, author = {M. M. Khachev}, title = {The {Dirichlet} problem for a mixed-type equation in a rectangular domain}, journal = {Differencialʹnye uravneni\^a}, pages = {1123--1127}, publisher = {mathdoc}, volume = {36}, number = {8}, year = {2000}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2000_36_8_a14/} }
M. M. Khachev. The Dirichlet problem for a mixed-type equation in a rectangular domain. Differencialʹnye uravneniâ, Tome 36 (2000) no. 8, pp. 1123-1127. http://geodesic.mathdoc.fr/item/DE_2000_36_8_a14/