%0 Journal Article %A Grabowski, Piotr %A Callier, Frank M. %T On the circle criterion for boundary control systems in factor form : Lyapunov stability and Lur'e equations %J ESAIM: Control, Optimisation and Calculus of Variations %D 2006 %P 169-197 %V 12 %N 1 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/cocv:2005027/ %R 10.1051/cocv:2005027 %G en %F COCV_2006__12_1_169_0