@article{DAN_1958_119_3_a2,
     author = {R. \`E. Vinograd},
     title = {Conjugate {Lyapunov} norms},
     journal = {Doklady Akademii Nauk},
     pages = {415--417},
     publisher = {mathdoc},
     volume = {119},
     number = {3},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_119_3_a2/}
}