@article{DAN_1977_234_1_a7,
     author = {A. A. Voronov},
     title = {Systems with differentiable nondecreasing nonlinearity which are absolutely stable in the {Hurwitz} angle},
     journal = {Doklady Akademii Nauk},
     pages = {38--41},
     publisher = {mathdoc},
     volume = {234},
     number = {1},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_234_1_a7/}
}