%0 Journal Article
%A A. Haefliger
%A B. Steer
%T Symmetry of Linking Coefficients.
%J Commentarii mathematici Helvetici
%D 1964
%P 259-270
%V 39
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1964__39_139290/
%F CMH_1964__39_139290