Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1973_9_5_a2, author = {G. M. Begalishvili}, title = {The optimal control problem under constraints on the phase coordinates}, journal = {Differencialʹnye uravneni\^a}, pages = {807--814}, publisher = {mathdoc}, volume = {9}, number = {5}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1973_9_5_a2/} }
G. M. Begalishvili. The optimal control problem under constraints on the phase coordinates. Differencialʹnye uravneniâ, Tome 9 (1973) no. 5, pp. 807-814. http://geodesic.mathdoc.fr/item/DE_1973_9_5_a2/