Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1968_4_4_a11, author = {V. M. Millionshchikov}, title = {On the theory of linear systems of ordinary differential equations}, journal = {Matemati\v{c}eskie zametki}, pages = {483--490}, publisher = {mathdoc}, volume = {4}, number = {4}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1968_4_4_a11/} }
V. M. Millionshchikov. On the theory of linear systems of ordinary differential equations. Matematičeskie zametki, Tome 4 (1968) no. 4, pp. 483-490. http://geodesic.mathdoc.fr/item/MZM_1968_4_4_a11/