@article{IVM_1959_5_a12,
     author = {N. N. Krasovskii},
     title = {Optimal regulation in non-linear systems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {122--130},
     publisher = {mathdoc},
     number = {5},
     year = {1959},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1959_5_a12/}
}