@article{Goździewski:2009,
author
=
"K.Goździewski and A.Maciejewski",
title
=
"Nonlinear stability of the Lagrangian libration points in the Chermnykh problem",
journal
=
"Celestial Mechanics and Dynamical Astronomy",
number
=
"no 70",
pages
=
"41--58",
year
=
"1998",
}