TY - JOUR AU - Yu. S. Kolesov TI - A bifurcation theorem in the theory of self-oscillations of distributed systems JO - Differencialʹnye uravneniâ PY - 1985 SP - 1709 EP - 1713 VL - 21 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1985_21_10_a8/ LA - ru ID - DE_1985_21_10_a8 ER -