%0 Journal Article %A Teunis C. Dorlas %A Wolodymyr I. Skrypnik %T Three Order Parameters in Quantum XZ Spin-Oscillator Models with Gibbsian Ground States %J Symmetry, integrability and geometry: methods and applications %D 2008 %V 4 %U http://geodesic.mathdoc.fr/item/SIGMA_2008_4_a6/ %G en %F SIGMA_2008_4_a6