%0 Journal Article
%A B. A. Dubrovin
%A S. P. Novikov
%T A periodicity problem for the Korteweg--de Vries and Sturm--Liouville equations. Their connection with algebraic geometry
%J Doklady Akademii Nauk
%D 1974
%P 531-534
%V 219
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1974_219_3_a3/
%G ru
%F DAN_1974_219_3_a3