@article{Sznajd:2009,
author
=
"J.Sznajd and G.Kontrym-Sznajd and A.Drzewiński",
title
=
"Renormalization group approach to antiferromagnetic quantum XY model on a triangular lattice",
journal
=
"Physica Status Solidi (B): Basic Research",
volume
=
"Vol. 140",
pages
=
"155--160",
year
=
"1987",
}