Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1991_316_3_a1, author = {S. S. Akhiev and S. N. Sanieva}, title = {Problems of {Cauchy} and {Goursat} type on composite lines}, journal = {Doklady Akademii Nauk}, pages = {524--528}, publisher = {mathdoc}, volume = {316}, number = {3}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1991_316_3_a1/} }
S. S. Akhiev; S. N. Sanieva. Problems of Cauchy and Goursat type on composite lines. Doklady Akademii Nauk, Tome 316 (1991) no. 3, pp. 524-528. http://geodesic.mathdoc.fr/item/DAN_1991_316_3_a1/