%0 Journal Article %A A. M. Laipanova %T On analogue of the Trikomi problem for a third-order equation of mixed type %J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika %D 2021 %P 17-23 %V 13 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VYURM_2021_13_2_a2/ %G ru %F VYURM_2021_13_2_a2