%0 Journal Article
%A J. Pipher
%A G. Verchota
%T A maximum principle for biharmonic functions in Lipschitz and C1 domains.
%J Commentarii mathematici Helvetici
%D 1993
%P 385-414
%V 68
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1993__68_2_140309/
%F CMH_1993__68_2_140309