%0 Journal Article
%A A. Kh. Galstyan
%T Boundary stability in the Fermat--Steiner problem in hyperspaces over finite-dimensional normed spaces
%J Čebyševskij sbornik
%D 2023
%P 81-128
%V 24
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CHEB_2023_24_2_a4/
%G ru
%F CHEB_2023_24_2_a4