%0 Journal Article %A M. V. Nevskii %T On some problems for a simplex and a ball in ${\mathbb R}^n$ %J Modelirovanie i analiz informacionnyh sistem %D 2018 %P 680-691 %V 25 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAIS_2018_25_6_a5/ %G ru %F MAIS_2018_25_6_a5