@article{DE_1968_4_2_a3,
     author = {Yu. V. Malyshev},
     title = {${\rm C}-{\rm N}$ investigation of systems close to homogeneous ones},
     journal = {Differencialʹnye uravneni\^a},
     pages = {233--237},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1968_4_2_a3/}
}