@TechReport{DeSimone-TR-2000-19,
  IS =     { zkontrolovano 28 Dec 00 },
  author =   {De~Simone, Anna and Navara, Mirko},
  title =   {Concerning decompositions of states on
                  orthomodular
 posets},
  institution =   {Center for Machine Perception, Czech Technical
                  University},
  address =   {Prague, Czech Republic},
  year =   {2000},
  month =   {November},
  type =   {Research Report},
  number =   {CTU--CMP--2000--19},
  pages =   {15},
  figures =   {1},
  authorship =   {50-50},
  psurl =   {[TR_cpositiv.ps.gz]},
  project =   {J04/98:212300013, GACR 201/00/0331},
  issn =   {1213-2365},
}