@article{TAM_1976_2_1_a3,
     author = {F. L. Chernousko},
     title = {Optimal control of some oscillating systems},
     journal = {Theoretical and applied mechanics},
     pages = {25 },
     year = {1976},
     volume = {2},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAM_1976_2_1_a3/}
}