Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1996_32_10_a18, author = {V. I. Zhegalov and V. A. Sevastyanov}, title = {The {Goursat} problem in four-dimensional space}, journal = {Differencialʹnye uravneni\^a}, pages = {1429--1430}, publisher = {mathdoc}, volume = {32}, number = {10}, year = {1996}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1996_32_10_a18/} }
V. I. Zhegalov; V. A. Sevastyanov. The Goursat problem in four-dimensional space. Differencialʹnye uravneniâ, Tome 32 (1996) no. 10, pp. 1429-1430. http://geodesic.mathdoc.fr/item/DE_1996_32_10_a18/