@MISC{TOPALG_6.MIZ,
  AUTHOR = {Riccardi, Marco and Korni{\l}owicz, Artur},
  TITLE = {Fundamental Group of $n$-sphere for $n \geq 2$},
  SECTION1 = {Preliminaries},
  SECTION2 = {Fundamental groups},
  SECTION3 = {Curves},
  DAY = {20},
  MONTH = {September},
  YEAR = {2011},
  ADDRESS1 = {Via del Pero 102\\54038 Montignoso\\Italy},
  ADDRESS2 = {Institute of Informatics\\University of Bia{\l}ystok\\Sosnowa 64, 15-887 Bia{\l}ystok\\Poland},
  SUMMARY = {Triviality of fundamental groups of spheres of dimension greater than 1 is proven, \cite{JLee2000}.}
}
