TY - JOUR AU - N. M. Gulevich TI - An estimation of deviation of fixed points from a~nonconvex set JO - Zapiski Nauchnykh Seminarov POMI PY - 1982 SP - 13 EP - 16 VL - 122 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1982_122_a1/ LA - ru ID - ZNSL_1982_122_a1 ER -