%0 Journal Article %A S. I. Mitrokhin %T Asymptotics of the spectrum of a periodic boundary value problem for an odd-order differential operator %J Matematičeskaâ fizika i kompʹûternoe modelirovanie %D 2021 %P 5-17 %V 24 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VVGUM_2021_24_2_a0/ %G ru %F VVGUM_2021_24_2_a0