@MISC{MSAFREE.MIZ,
  AUTHOR = {Perkowska, Beata},
  TITLE = {Free Many Sorted Universal Algebra},
  SECTION1 = {Preliminaries},
  SECTION2 = {Free Many Sorted Universal Algebra --- General Notions},
  SECTION3 = {Construction of Free Many Sorted Algebra},
  DAY = {27},
  MONTH = {April},
  YEAR = {1994},
  ADDRESS1 = {Warsaw University\\Bia{\l}ystok}}

