@article{DE_1973_9_3_a11,
     author = {S. I. Gaiduk},
     title = {A certain conjugacy problem of two systems of equations of different form},
     journal = {Differencialʹnye uravneni\^a},
     pages = {494--503},
     publisher = {mathdoc},
     volume = {9},
     number = {3},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1973_9_3_a11/}
}