@article{DE_1993_29_6_a7,
     author = {T. H. Nguy\^en},
     title = {Dependence of the solutions of a linear system of differential equations on a parameter},
     journal = {Differencialʹnye uravneni\^a},
     pages = {970--975},
     publisher = {mathdoc},
     volume = {29},
     number = {6},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1993_29_6_a7/}
}