The Fermat–Steiner Problem in the Space of Compact Subsets of the Euclidean Plane - Galstyan, A. H. (Journal of mathematical sciences (New York, N.Y.), 2023)
Keywords: Euclidean geometry; Mathematics; Mathematics and Statistics; Metric space; compact subset; Hausdorff distance; Euclidean space; 51E99; Steiner compact; Fermat–Steiner problem