%0 Journal Article %A K. S. Fayazov %A Ya. K. Khudayberganov %T Ill-posed boundary value problem for mixed type system equations with two degenerate lines %J Sibirskie èlektronnye matematičeskie izvestiâ %D 2020 %P 647-660 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/SEMR_2020_17_a92/ %G ru %F SEMR_2020_17_a92