@article{KYB_1973_9_2_a2,
     author = {Ku\v{c}era, Vladim{\'\i}r},
     title = {Algebraic theory of discrete optimal control for single-variable systems. {I.} {Preliminaries}},
     journal = {Kybernetika},
     pages = {94--107},
     year = {1973},
     volume = {9},
     number = {2},
     mrnumber = {0337400},
     zbl = {0254.49002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1973_9_2_a2/}
}