@article{MZM_1994_55_1_a3,
     author = {V. P. Derevenskii},
     title = {Matrix two-sided linear differential equations},
     journal = {Matemati\v{c}eskie zametki},
     pages = {35--42},
     publisher = {mathdoc},
     volume = {55},
     number = {1},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1994_55_1_a3/}
}