@article{Xu:2009,
author
=
"S.Xu and J.Lam and Y.Zou and Z.Lin and W.Paszke",
title
=
"Robust positive real synthesis for 2D continous systems via state and output feedback",
journal
=
"Circuits, Systems, and Signal Processing",
volume
=
"Vol. 24",
number
=
"no 2",
pages
=
"183--199",
year
=
"2005",
}