@article{DE_1989_25_2_a5,
     author = {D. D. Mirzov},
     title = {An analogue of a theorem of {Hartman}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {216--222},
     publisher = {mathdoc},
     volume = {25},
     number = {2},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1989_25_2_a5/}
}