@article{VMUMM_1989_3_a0,
     author = {V. Kh. Salikhov},
     title = {On reducibility and linear reducibility of linear differential equations},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {3--8},
     publisher = {mathdoc},
     number = {3},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1989_3_a0/}
}