@article{DAN_1965_161_4_a8,
     author = {R. A. Nelepin},
     title = {Nonlinear high-order automatic systems investigated by exact analytic methods},
     journal = {Doklady Akademii Nauk},
     pages = {771--773},
     publisher = {mathdoc},
     volume = {161},
     number = {4},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_161_4_a8/}
}