TY - JOUR AU - A. Ya. Narmanov TI - Geometry of orbits of vector fields and singular foliations JO - Contemporary Mathematics. Fundamental Directions PY - 2019 SP - 54 EP - 71 VL - 65 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2019_65_1_a5/ LA - ru ID - CMFD_2019_65_1_a5 ER -