@article{10_4171_dm_55,
     author = {R. Weikard},
     title = {On rational and periodic solutions of stationary {KdV} equations},
     journal = {Documenta mathematica},
     pages = {109--126},
     year = {1999},
     volume = {4},
     doi = {10.4171/dm/55},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/55/}
}