@article{IVM_1984_8_a7,
     author = {V. P. Skripnik},
     title = {Linear systems with a~small matrix multiplying the derivative},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {40--45},
     year = {1984},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1984_8_a7/}
}