TY - JOUR AU - Wolodymyr Skripnik TI - Order Parameters in XXZ-Type Spin $\frac12$ Quantum Models with Gibbsian Ground States JO - Symmetry, integrability and geometry: methods and applications PY - 2006 VL - 2 UR - http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a10/ LA - en ID - SIGMA_2006_2_a10 ER -