@article{DAN_1965_160_2_a12,
     author = {V. A. Yakubovich},
     title = {Frequency conditions for absolute stability and dissipativeness of control systems with one differentiable nonlinearity},
     journal = {Doklady Akademii Nauk},
     pages = {298--301},
     publisher = {mathdoc},
     volume = {160},
     number = {2},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_160_2_a12/}
}