Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1982_18_2_a21, author = {M. Nurubloev}, title = {Boundary problems for a system of second-order equations of composite type}, journal = {Differencialʹnye uravneni\^a}, pages = {347--349}, publisher = {mathdoc}, volume = {18}, number = {2}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1982_18_2_a21/} }
M. Nurubloev. Boundary problems for a system of second-order equations of composite type. Differencialʹnye uravneniâ, Tome 18 (1982) no. 2, pp. 347-349. http://geodesic.mathdoc.fr/item/DE_1982_18_2_a21/