Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1991_49_5_a14, author = {S. I. Suslov}, title = {Nonlinear bang-bang principle in $\mathbf R^n$}, journal = {Matemati\v{c}eskie zametki}, pages = {110--116}, publisher = {mathdoc}, volume = {49}, number = {5}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1991_49_5_a14/} }
S. I. Suslov. Nonlinear bang-bang principle in $\mathbf R^n$. Matematičeskie zametki, Tome 49 (1991) no. 5, pp. 110-116. http://geodesic.mathdoc.fr/item/MZM_1991_49_5_a14/