%0 Journal Article
%A Rotondaro, Giovanni
%T An integral formula for closed surfaces and a generalization of $Hp$-theorem
%J Commentationes Mathematicae Universitatis Carolinae
%D 1988
%P 253-254
%V 29
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1988__29_2_a6/
%G en
%F CMUC_1988__29_2_a6