@article{VVGUM_2017_1_a2,
     author = {V. Sh. Roitenberg},
     title = {On the structure of the space of linear sistems of differential equations with periodic coeffi{\cyrs}ients},
     journal = {Matemati\v{c}eska\^a fizika i kompʹ\^uternoe modelirovanie},
     pages = {13--21},
     publisher = {mathdoc},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VVGUM_2017_1_a2/}
}