@article{TM_1975_134_a26,
     author = {V. M. \v{S}alov},
     title = {A~variational principle in game theory and in optimal control problems},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {370--388},
     publisher = {mathdoc},
     volume = {134},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1975_134_a26/}
}