@MISC{PROJRED2.MIZ,
  AUTHOR = {Kusak, Eugeniusz and Leo\'nczuk, Wojciech and Pra\.zmowski, Krzysztof},
  TITLE = {On Projections in Projective Planes --- Part {II}},
  NOTE = {Supported by RPBP.III-24.C6.},
  DAY = {31},
  MONTH = {October},
  YEAR = {1990},
  ADDRESS1 = {Warsaw University\\Bia{\l}ystok},
  ADDRESS2 = {Warsaw University\\Bia{\l}ystok},
  ADDRESS3 = {Warsaw University\\Bia{\l}ystok},
  SUMMARY = {  We study in greater details projectivities on Desarguesian 
projective planes. We are particularly interested in the situation when 
the composition of given two projectivities can be replaced by another two, 
with given axis or centre of one of them.}}

