%0 Journal Article
%A M. Adler
%T On a Trace Functional for Formal Pseudo-Differential Operators and the Symplectic Structure of the Korteweg-Devries Type Equation.
%J Inventiones mathematicae
%D 1978
%P 219-248
%V 50
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1978__50_142614/
%F IM_1978__50_142614