@article{FAA_1976_10_4_a7,
     author = {R. I. Bogdanov},
     title = {Orbital equivalence of singular points of vector fields on the plane},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {81--82},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1976_10_4_a7/}
}