TY - JOUR AU - P. D. Lebedev TI - Iterative methods for approximations constructing of optimal covering for nonconvex plane sets JO - Čelâbinskij fiziko-matematičeskij žurnal PY - 2019 SP - 5 EP - 17 VL - 4 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHFMJ_2019_4_1_a0/ LA - ru ID - CHFMJ_2019_4_1_a0 ER -