TY - JOUR AU - A. V. Arutyunov TI - Stability of Coincidence Points and Properties of Covering Mappings JO - Matematičeskie zametki PY - 2009 SP - 163 EP - 169 VL - 86 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2009_86_2_a0/ LA - ru ID - MZM_2009_86_2_a0 ER -