Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1987__278_164297, author = {Thomas E. Cecil and Shiing-Shen Chern}, title = {Tautness and {Lie} {Sphere} {Geometry.}}, journal = {Mathematische Annalen}, pages = {381--400}, publisher = {mathdoc}, volume = {278}, year = {1987}, zbl = {0635.53029}, url = {http://geodesic.mathdoc.fr/item/MAN_1987__278_164297/} }
Thomas E. Cecil; Shiing-Shen Chern. Tautness and Lie Sphere Geometry.. Mathematische Annalen, Tome 278 (1987), pp. 381-400. http://geodesic.mathdoc.fr/item/MAN_1987__278_164297/