%0 Journal Article %A V. N. Ushakov %A A. A. Ershov %T On the relation between $\alpha$-sets and weakly convex sets %J Trudy Instituta matematiki i mehaniki %D 2024 %P 276-285 %V 30 %N 4 %U http://geodesic.mathdoc.fr/item/TIMM_2024_30_4_a21/ %G ru %F TIMM_2024_30_4_a21