Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1994_30_6_a1, author = {I. V. Gaishun}, title = {Differential-difference two-parameter control systems}, journal = {Differencialʹnye uravneni\^a}, pages = {931--938}, publisher = {mathdoc}, volume = {30}, number = {6}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1994_30_6_a1/} }
I. V. Gaishun. Differential-difference two-parameter control systems. Differencialʹnye uravneniâ, Tome 30 (1994) no. 6, pp. 931-938. http://geodesic.mathdoc.fr/item/DE_1994_30_6_a1/