%0 Journal Article
%A A. Kh. Stash
%T On essential values of Sergeev's frequencies and exponents of oscillation for solutions of a third-order linear differential periodic equation
%J Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki
%D 2023
%P 141-155
%V 33
%N 1
%U http://geodesic.mathdoc.fr/item/VUU_2023_33_1_a9/
%G ru
%F VUU_2023_33_1_a9