@article{1102621620, author = {Morgan, Frank}, title = {Soap bubbles in ${\bf R}^2$ and in surfaces.}, journal = {Pacific J. Math.}, volume = {166}, number = {2}, year = {1994}, pages = { 347-361}, language = {en}, url = {http://dml.mathdoc.fr/item/1102621620} }
Morgan, Frank. Soap bubbles in ${\bf R}^2$ and in surfaces.. Pacific J. Math., Tome 166 (1994) no. 2, pp. 347-361. http://gdmltest.u-ga.fr/item/1102621620/