@MISC{XXREAL_2.MIZ,
  AUTHOR = {Trybulec, Andrzej},
  TITLE = {Suprema and Infima of Intervals of Extended Real Numbers},
  DAY = {26},
  MONTH = {June},
  YEAR = {2008},
  ADDRESS1 = {University of Bia{\l}ystok},
  SUMMARY = {}}

