@article{DAN_1958_121_4_a7,
     author = {V. A. Yakubovich},
     title = {On the dynamic stability of elastic systems},
     journal = {Doklady Akademii Nauk},
     pages = {602--605},
     year = {1958},
     volume = {121},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_121_4_a7/}
}