@article{DE_1985_21_4_a2,
     author = {M. A. Ivanov and O. A. Ivanov},
     title = {The behavior of solutions of a quasihomogeneous system in the neighborhood of a nonsimple exceptional direction},
     journal = {Differencialʹnye uravneni\^a},
     pages = {572--581},
     publisher = {mathdoc},
     volume = {21},
     number = {4},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1985_21_4_a2/}
}