TY - JOUR AU - Yu. B. Rusak TI - Problem of the points of bifurcation in the case of several parameters JO - Differencialʹnye uravneniâ PY - 1981 SP - 383 EP - 386 VL - 17 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1981_17_2_a20/ LA - ru ID - DE_1981_17_2_a20 ER -