%0 Journal Article %A S. A. Aldashev %T Well-posedness of the main mixed problem for the multidimensional lavrentiev~--- bitsadze equation %J Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ %D 2021 %P 7-13 %V 27 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGU_2021_27_3_a0/ %G ru %F VSGU_2021_27_3_a0