Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1979_15_12_a23, author = {Q. T. Hoang}, title = {Some nonelliptic boundary value problems for a system of {Bicadze} equations}, journal = {Differencialʹnye uravneni\^a}, pages = {2282--2285}, publisher = {mathdoc}, volume = {15}, number = {12}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1979_15_12_a23/} }
Q. T. Hoang. Some nonelliptic boundary value problems for a system of Bicadze equations. Differencialʹnye uravneniâ, Tome 15 (1979) no. 12, pp. 2282-2285. http://geodesic.mathdoc.fr/item/DE_1979_15_12_a23/