@article{KYB_1975_11_3_a4,
     author = {Canh, Nguyen and Tuzar, Anton{\'\i}n},
     title = {An approximative method for solving the non-linear optimal control problem},
     journal = {Kybernetika},
     pages = {234--247},
     year = {1975},
     volume = {11},
     number = {3},
     zbl = {0333.49037},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1975_11_3_a4/}
}