@article{FAA_1986_20_2_a8,
     author = {R. I. Bogdanov},
     title = {Algebras of first integrals of finitely modal singularities of vector fields},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {56--57},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1986_20_2_a8/}
}