@article{Maciejewski:2009,
author
=
"A.Maciejewski",
title
=
"About algebraic integrability and non-integrability of ordinary differential equations",
journal
=
"Chaos, Solitons and Fractals",
volume
=
"Vol. 9",
number
=
"no 1/2",
pages
=
"51--65",
year
=
"1998",
}