@article{SIGMA_2006_2_a69,
     author = {Henrik Aratyn and Jose Francisco Gomes and Abraham H. Zimerman},
     title = {On {a~Negative} {Flow} of the {AKNS} {Hierarchy} and {Its} {Relation} to {a~Two-Component} {Camassa{\textendash}Holm} {Equation}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2006},
     volume = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a69/}
}