%0 Journal Article
%A A. Favini
%T Parabolicity of second order differential equations in Hubert space.
%J Semigroup forum
%D 1991
%P 303-312
%V 42
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1991__42_3_135084/
%F SF_1991__42_3_135084