Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1977_13_12_a6, author = {A. S. Koshcheev}, title = {Estimation of the states of controllable systems under conditions of indeterminacy}, journal = {Differencialʹnye uravneni\^a}, pages = {2168--2179}, publisher = {mathdoc}, volume = {13}, number = {12}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1977_13_12_a6/} }
A. S. Koshcheev. Estimation of the states of controllable systems under conditions of indeterminacy. Differencialʹnye uravneniâ, Tome 13 (1977) no. 12, pp. 2168-2179. http://geodesic.mathdoc.fr/item/DE_1977_13_12_a6/