@article{1102650153, author = {Kusner, Rob}, title = {Comparison surfaces for the Willmore problem.}, journal = {Pacific J. Math.}, volume = {140}, number = {2}, year = {1989}, pages = { 317-345}, language = {en}, url = {http://dml.mathdoc.fr/item/1102650153} }
Kusner, Rob. Comparison surfaces for the Willmore problem.. Pacific J. Math., Tome 140 (1989) no. 2, pp. 317-345. http://gdmltest.u-ga.fr/item/1102650153/