%0 Journal Article
%A A. I. Kozhanov
%A G. R. Ashurova
%T Third-order differential equations with multiple characteristics: degeneration and unknown external influence
%J Čelâbinskij fiziko-matematičeskij žurnal
%D 2024
%P 585-595
%V 9
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CHFMJ_2024_9_4_a4/
%G ru
%F CHFMJ_2024_9_4_a4