@article{1153494223,
author = {Ando, Naoya},
title = {An isolated umbilical point of a Willmore surface},
journal = {Osaka J. Math.},
volume = {41},
number = {1},
year = {2004},
pages = { 865-876},
language = {en},
url = {http://dml.mathdoc.fr/item/1153494223}
}
Ando, Naoya. An isolated umbilical point of a Willmore surface. Osaka J. Math., Tome 41 (2004) no. 1, pp. 865-876. http://gdmltest.u-ga.fr/item/1153494223/