Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1995_342_6_a6, author = {V. A. Tupchiev}, title = {On the solvability in the large of the {Cauchy} problem for a system}, journal = {Doklady Akademii Nauk}, pages = {747--749}, publisher = {mathdoc}, volume = {342}, number = {6}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1995_342_6_a6/} }
V. A. Tupchiev. On the solvability in the large of the Cauchy problem for a system. Doklady Akademii Nauk, Tome 342 (1995) no. 6, pp. 747-749. http://geodesic.mathdoc.fr/item/DAN_1995_342_6_a6/