TY - JOUR AU - Orlando Ragnisco AU - Federico Zullo TI - Continuous and Discrete (Classical) Heisenberg Spin Chain Revised JO - Symmetry, integrability and geometry: methods and applications PY - 2007 VL - 3 UR - http://geodesic.mathdoc.fr/item/SIGMA_2007_3_a32/ LA - en ID - SIGMA_2007_3_a32 ER -