%0 Journal Article
%A V. Sh. Roitenberg
%T Classification of periodic differential equations by degrees of non-roughniss
%J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika
%D 2022
%P 52-59
%V 14
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VYURM_2022_14_3_a5/
%G ru
%F VYURM_2022_14_3_a5