@article{Drzewiński:2009,
author
=
"A.Drzewiński and J.Sznajd and J.Zittartz",
title
=
"Renormalization group approach to three-state spin models in two dimensions",
journal
=
"Zeitschrift für Physik B - Condensed Matter",
volume
=
"Vol. 84",
pages
=
"125--129",
year
=
"1991",
}