TY - JOUR AU - V. I. Arnol'd TI - Loss of stability of self-oscillations close to resonance and versal deformations of equivariant vector fields JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1977 SP - 1 EP - 10 VL - 11 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1977_11_2_a0/ LA - ru ID - FAA_1977_11_2_a0 ER -