%0 Journal Article
%A S.-L. Eriksson-Bique
%A H. Leutwiler
%T A generalization of parallel addition.
%J Aequationes mathematicae
%D 1989
%P 99-110
%V 38
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1989__38_1_137319/
%F AM2_1989__38_1_137319