@article{Maciejewski:2013,
author
=
"A.Maciejewski and M.Przybylska and L.Simpson and W.Szumiński",
title
=
"Non-integrability of the dumbbel and point mass problem",
journal
=
"Celestial Mechanics and Dynamical Astronomy",
volume
=
"Vol. 117",
pages
=
"315--330",
year
=
"2013",
}