@article{has-hut-sch-95-bubb,
  author = {J. Hass and M. Hutchings and R. Schlafly},
  title = {The Double Bubble Conjecture},
  journal = {Electronic Research Announcements of the American Mathematical Society},
  volume = {1},
  pages = {98--102},
  year = 1995,
  altkeys = {Hass-Hutchings-Schlafly-95}
}