%0 Journal Article
%A V. Yu. Ovsienko
%T Classification of third-order linear differential equations and symplectic sheets of the Gel'fand--Dikii bracket
%J Matematičeskie zametki
%D 1990
%P 62-70
%V 47
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1990_47_5_a8/
%G ru
%F MZM_1990_47_5_a8