Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1974_216_1_a1, author = {A. B. Vasil'eva and V. A. Esipova}, title = {Conditionally stable singularly perturbed systems}, journal = {Doklady Akademii Nauk}, pages = {17--20}, publisher = {mathdoc}, volume = {216}, number = {1}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_216_1_a1/} }
A. B. Vasil'eva; V. A. Esipova. Conditionally stable singularly perturbed systems. Doklady Akademii Nauk, Tome 216 (1974) no. 1, pp. 17-20. http://geodesic.mathdoc.fr/item/DAN_1974_216_1_a1/