%0 Journal Article %A I. E. Egorov %T On Fredholm solvability of Vragov boundary value problem for a mixed even-order equation %J Matematičeskie zametki SVFU %D 2016 %P 19-30 %V 23 %I mathdoc %U http://geodesic.mathdoc.fr/item/SVFU_2016_23_a1/ %G ru %F SVFU_2016_23_a1