%0 Journal Article %A I. K. Arkhipov %A V. I. Abramova %A O. V. Kuzovleva %A A. E. Gvozdev %T Mathematical variational method for determining the effective yield strength of two-component composite materials %J Čebyševskij sbornik %D 2021 %P 370-377 %V 22 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2021_22_1_a24/ %G ru %F CHEB_2021_22_1_a24