TY - JOUR AU - Jingsong He AU - Yinghua Li AU - Yi Cheng TI - $q$-Deformed KP Hierarchy and $q$-Deformed Constrained KP Hierarchy JO - Symmetry, integrability and geometry: methods and applications PY - 2006 VL - 2 UR - http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a59/ LA - en ID - SIGMA_2006_2_a59 ER -