%0 Journal Article %A I. V. Musatov %A A. N. Tavkhelidze %A V. F. Tokarev %T Repulsion in an~instanton gas, formation of a~core in the nucleon, and the method of Bogolyubov hierarchies %J Teoretičeskaâ i matematičeskaâ fizika %D 1991 %P 31-42 %V 86 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1991_86_1_a2/ %G ru %F TMF_1991_86_1_a2