%0 Journal Article %A A. V. Panyukov %T On the existence of an integer solution of the relaxed Weber problem for a tree network %J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematičeskoe modelirovanie i programmirovanie %D 2019 %P 150-155 %V 12 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VYURU_2019_12_1_a13/ %G en %F VYURU_2019_12_1_a13