%0 Journal Article
%A F. Blanchet-Sadri
%T Equations and dot-depth one.
%J Semigroup forum
%D 1993
%P 305-317
%V 47
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1993__47_2_135281/
%F SF_1993__47_2_135281