%0 Journal Article %A A. A. Burov %A V. I. Nikonov %T Libration Points Inside a Spherical Cavity of %J Russian journal of nonlinear dynamics %D 2021 %P 413-427 %V 17 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2021_17_4_a3/ %G en %F ND_2021_17_4_a3