Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1973_9_1_a4, author = {T. D. Dzhuraev and U. Rakhmanov}, title = {Well-posed boundary value problems for equations of mixed-composite type}, journal = {Differencialʹnye uravneni\^a}, pages = {32--40}, publisher = {mathdoc}, volume = {9}, number = {1}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1973_9_1_a4/} }
T. D. Dzhuraev; U. Rakhmanov. Well-posed boundary value problems for equations of mixed-composite type. Differencialʹnye uravneniâ, Tome 9 (1973) no. 1, pp. 32-40. http://geodesic.mathdoc.fr/item/DE_1973_9_1_a4/