%0 Journal Article %A A. Boranbayev %A N. Obrosova %A A. Shananin %T Nonlinear input-output balance and Young duality: analysis of Covid-19 macroeconomic impact on Kazakhstan %J Sibirskie èlektronnye matematičeskie izvestiâ %D 2022 %P 835-851 %V 19 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SEMR_2022_19_2_a46/ %G en %F SEMR_2022_19_2_a46