TY - JOUR AU - R. I. Bogdanov TI - Algebras of first integrals of finitely modal singularities of vector fields JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1986 SP - 56 EP - 57 VL - 20 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1986_20_2_a8/ LA - ru ID - FAA_1986_20_2_a8 ER -