@article{AIF_2005__55_6_1803_0,
     author = {Abenda, Simonetta and Grava, Tamara},
     title = {Modulation of the {Camassa-Holm} equation and reciprocal transformations},
     journal = {Annales de l'Institut Fourier},
     pages = {1803--1834},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {55},
     number = {6},
     year = {2005},
     doi = {10.5802/aif.2142},
     mrnumber = {2187936},
     zbl = {02230058},
     language = {en},
     url = {http://archive.numdam.org/articles/10.5802/aif.2142/}
}