Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1964__39_139290, author = {A. Haefliger and B. Steer}, title = {Symmetry of {Linking} {Coefficients.}}, journal = {Commentarii mathematici Helvetici}, pages = {259--270}, publisher = {mathdoc}, volume = {39}, year = {1964}, zbl = {0127.13703}, url = {http://geodesic.mathdoc.fr/item/CMH_1964__39_139290/} }
A. Haefliger; B. Steer. Symmetry of Linking Coefficients.. Commentarii mathematici Helvetici, Tome 39 (1964), pp. 259-270. http://geodesic.mathdoc.fr/item/CMH_1964__39_139290/