@article{INTV_1964_a4,
     author = {I. A. Litovchenko},
     title = {The theory of optimal systems},
     journal = {Itogi nauki i tehniki. Seri\^a, Teori\^a vero\^atnostej. Matemati\v{c}eska\^a statistika. Teoreti\v{c}eska\^a kibernetika},
     pages = {155--196},
     publisher = {mathdoc},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTV_1964_a4/}
}