@article{DAN_1967_175_6_a11,
     author = {A. I. Propoi and Ya. Z. Tsypkin},
     title = {Synthesis of optimal in the mean automatic systems},
     journal = {Doklady Akademii Nauk},
     pages = {1242--1244},
     publisher = {mathdoc},
     volume = {175},
     number = {6},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_175_6_a11/}
}