@article{DE_1977_13_6_a7,
     author = {O. B. Lukova and A. A. Boichuk},
     title = {Construction of {Ljapunov} functions for systems of linear differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1038--1046},
     publisher = {mathdoc},
     volume = {13},
     number = {6},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_6_a7/}
}