%0 Journal Article %A L. N. Bondar' %T Necessary conditions for the solvability of one class of boundary value problems for quasielliptic systems %J Matematičeskie trudy %D 2018 %P 3-16 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_2018_21_1_a0/ %G ru %F MT_2018_21_1_a0