%0 Journal Article %A V. A. Yudin %T Minimum potential energy of a point system of charges %J Diskretnaya Matematika %D 1992 %P 115-121 %V 4 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_1992_4_2_a12/ %G ru %F DM_1992_4_2_a12