TY - JOUR AU - V. V. Basov TI - Bifurcation of the Equilibrium Point in the Critical Case of Two Pairs of Zero Characteristic Roots JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2002 SP - 45 EP - 60 VL - 236 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_2002_236_a5/ LA - ru ID - TM_2002_236_a5 ER -