@article{DAN_1989_304_1_a10,
     author = {N. A. Magnitskii},
     title = {Stability of solutions of a class of nonlinear nonautonomous},
     journal = {Doklady Akademii Nauk},
     pages = {47--49},
     publisher = {mathdoc},
     volume = {304},
     number = {1},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_304_1_a10/}
}