@article{DE_2002_38_4_a17,
     author = {\`E. V. Musafirov},
     title = {Simplicity of {Linear} {Differential} {Systems}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {570--572},
     publisher = {mathdoc},
     volume = {38},
     number = {4},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2002_38_4_a17/}
}