@article{IVM_2012_5_a2,
     author = {B. S. Kalitin and R. Chabour},
     title = {Method of semidefinite {Lyapunov} functions for systems of nonautonomous differential equations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {28--39},
     publisher = {mathdoc},
     number = {5},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2012_5_a2/}
}