Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1986__192_173761, author = {O. Kowalski and L. Vanhecke}, title = {A {New} {Formula} for the {Shape} {Operator} of a {Geodesic} {Sphere} and {Its} {Applications.}}, journal = {Mathematische Zeitschrift}, pages = {613--626}, publisher = {mathdoc}, volume = {192}, year = {1986}, zbl = {0596.53017}, url = {http://geodesic.mathdoc.fr/item/MZ_1986__192_173761/} }
O. Kowalski; L. Vanhecke. A New Formula for the Shape Operator of a Geodesic Sphere and Its Applications.. Mathematische Zeitschrift, Tome 192 (1986), pp. 613-626. http://geodesic.mathdoc.fr/item/MZ_1986__192_173761/