TY - JOUR AU - V. P. Vereshchagin AU - Yu. N. Subbotin AU - N. I. Chernykh TI - Statement and solution of a boundary value problem in the class of planar-helical vector fields JO - Trudy Instituta matematiki i mehaniki PY - 2012 SP - 123 EP - 138 VL - 18 IS - 1 UR - http://geodesic.mathdoc.fr/item/TIMM_2012_18_1_a9/ LA - ru ID - TIMM_2012_18_1_a9 ER -