%0 Journal Article %A A. I. Vagabov %T Regularity of a problem of $3n$-th order with decaying boundary-value conditions %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2019 %P 10-15 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2019_11_a1/ %G ru %F IVM_2019_11_a1