@article{Duval:2015,
author
=
"G.Duval and A.Maciejewski",
title
=
"Integrability of potentials of degree [...]. Second order variational equations between Kolchin solvability and abelianity",
journal
=
"Discrete and Continuous Dynamical Systems",
volume
=
"Vol. 35",
number
=
"no. 5",
pages
=
"1969--2009",
year
=
"2015",
}