Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1992_322_4_a5, author = {Ya. Z. Tsypkin}, title = {Circular criteria for robust stability of nonlinear discrete}, journal = {Doklady Akademii Nauk}, pages = {656--661}, publisher = {mathdoc}, volume = {322}, number = {4}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1992_322_4_a5/} }
Ya. Z. Tsypkin. Circular criteria for robust stability of nonlinear discrete. Doklady Akademii Nauk, Tome 322 (1992) no. 4, pp. 656-661. http://geodesic.mathdoc.fr/item/DAN_1992_322_4_a5/