%0 Journal Article %A D. Karahan %A K. R. Mamedov %T On a $q$-boundary value problem with discontinuity conditions %J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika %D 2021 %P 5-12 %V 13 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VYURM_2021_13_4_a0/ %G en %F VYURM_2021_13_4_a0