@article{IM2_1992_39_3_a6, author = {D. Fofana}, title = {An integrable system extending the {Korteweg{\textendash}de~Vries} equation}, journal = {Izvestiya. Mathematics}, pages = {1239--1250}, year = {1992}, volume = {39}, number = {3}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1992_39_3_a6/} }