@article{IVM_1997_7_a4,
     author = {A. A. Kosov},
     title = {On the global stability of nonautonomous {systems.~I}},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {28--35},
     publisher = {mathdoc},
     number = {7},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1997_7_a4/}
}