TY - JOUR AU - V. P. Vereshchagin AU - Yu. N. Subbotin AU - N. I. Chernykh TI - On the construction of unit longitudinal-vortex vector fields with the use of smooth mappings JO - Trudy Instituta matematiki i mehaniki PY - 2008 SP - 82 EP - 91 VL - 14 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2008_14_3_a6/ LA - ru ID - TIMM_2008_14_3_a6 ER -