@article{SIGMA_2006_2_a59,
     author = {Jingsong He and Yinghua Li and Yi Cheng},
     title = {$q${-Deformed} {KP} {Hierarchy} and $q${-Deformed} {Constrained} {KP} {Hierarchy}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2006},
     volume = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a59/}
}