@article{KYB_1985_21_4_a4,
     author = {Tuzar, Anton{\'\i}n},
     title = {Optimal discrete approximation of continuous linear operators applicable to control problems},
     journal = {Kybernetika},
     pages = {287--297},
     year = {1985},
     volume = {21},
     number = {4},
     mrnumber = {815616},
     zbl = {0591.65017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1985_21_4_a4/}
}