@article{BSMF_2017__145_1_47_0,
     author = {Eckhardt, Jonathan and Kostenko, Aleksey},
     title = {Quadratic operator pencils associated with the~conservative {Camassa-Holm} flow},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {47--95},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {145},
     number = {1},
     year = {2017},
     doi = {10.24033/bsmf.2731},
     mrnumber = {3636751},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.24033/bsmf.2731/}
}