@article{00918334, title = {The double bubble conjecture.}, journal = {Electronic Research Announcements of the American Mathematical Society [electronic only]}, volume = {1}, year = {1995}, pages = {98-102}, doi = {10.1090/S1079-6762-95-03001-0}, zbl = {0864.53007}, language = {en}, url = {http://dml.mathdoc.fr/item/00918334} }
Hass, Joel; Hutchings, Michael; Schlafly, Roger. The double bubble conjecture.. Electronic Research Announcements of the American Mathematical Society [electronic only], Tome 1 (1995) pp. 98-102. doi : 10.1090/S1079-6762-95-03001-0. http://gdmltest.u-ga.fr/item/00918334/