@InCollection{Szumiński:2014,
author
=
"W.Szumiński and M.Przybylska",
title
=
"Constrained n-body problems",
pages
=
"305--317",
year
=
"2014",
booktitle
=
"Applied non-linear dynamical systems ISBN: 9783319082653",
editor
=
"ed. J. Awrejcewicz",
publisher
=
"Springer International Publishing Switzerland",
address
=
"Cham Heidelberg",
series
=
"Springer Proceedings in Mathematics & Statistics, Vol. 93",
}