TY - JOUR AU - S. N. Nidchenko TI - Birth of periodic solutions of differential equations with delay from the equilibrium JO - Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta PY - 2006 SP - 111 EP - 112 VL - 37 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IIMI_2006_37_3_a50/ LA - ru ID - IIMI_2006_37_3_a50 ER -