@article{Czerhoniak:2009,
author
=
"P.Czerhoniak and A.Nowicki",
title
=
"Twisted classical phase space",
journal
=
"Czechoslovak Journal of Physics",
volume
=
"Vol. 48",
number
=
"no 11",
pages
=
"1313--1318",
year
=
"1998",
}