@article{DAN_1966_168_4_a20,
     author = {M. M. Simkin},
     title = {Determination of the class of automatic non-linear pulse systems},
     journal = {Doklady Akademii Nauk},
     pages = {800--803},
     publisher = {mathdoc},
     volume = {168},
     number = {4},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_168_4_a20/}
}