%0 Journal Article %A Mikhail A. Gorelov %T A model of a two-level hierarchical system with cooperative behavior of lower-level elements %J Matematičeskaâ teoriâ igr i eë priloženiâ %D 2023 %P 28-53 %V 15 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MGTA_2023_15_4_a1/ %G ru %F MGTA_2023_15_4_a1