@article{Maciejewski:2009,
author
=
"A.Maciejewski and M.Przybylska and M.Szydłowski",
title
=
"Living in a non-integrable universe",
journal
=
"Gravitation and Cosmology",
volume
=
"Vol. 8",
number
=
"suppl. 2",
pages
=
"93--99",
year
=
"2002",
}