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