%0 Journal Article %A G. Jangibekov %A G. M. Koziev %T On the theory of two-dimensional singular integral operators and its applications to boundary value problems for elliptic systems of equations %J Čebyševskij sbornik %D 2024 %P 74-89 %V 25 %N 5 %U http://geodesic.mathdoc.fr/item/CHEB_2024_25_5_a5/ %G ru %F CHEB_2024_25_5_a5