@article{Cao:2009,
author
=
"Z.Cao and A.Grytczuk",
title
=
"Some classes of Diophantine equations connected with McFarland's and Ma's conjectures",
journal
=
"Discussiones Mathematicae - General Algebra and Applications",
volume
=
"Vol. 20",
number
=
"no 2",
pages
=
"193--198",
year
=
"2000",
}