@article{DE_1993_29_9_a0,
     author = {A. F. Andreev},
     title = {On the limit behavior of $O$-curves of a quasihomogeneous $\mathbf R^3$-system},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1475--1480},
     publisher = {mathdoc},
     volume = {29},
     number = {9},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1993_29_9_a0/}
}