@article{IVM_1999_3_a3,
     author = {G. G. Islamov},
     title = {On the polyhedral solvability of a~system of linear differential equations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {31--37},
     publisher = {mathdoc},
     number = {3},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1999_3_a3/}
}