@article{DE_1977_13_3_a5,
     author = {N. N. Ladis},
     title = {Topological equivalence of linear actions of $\mathbf R^2$ on $\mathbf R^n$},
     journal = {Differencialʹnye uravneni\^a},
     pages = {443--448},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_3_a5/}
}