TY - JOUR AU - A. R. Alimov TI - Bounded contractibility of strict suns in three-dimensional spaces JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2018 SP - 3 EP - 11 VL - 22 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2018_22_1_a0/ LA - ru ID - FPM_2018_22_1_a0 ER -