@article{MAN_1925__93_159094,
     author = {T. Levi-Civita},
     title = {Determination rigoureuse des ondes permanentes d'ampleur finie},
     journal = {Mathematische Annalen},
     pages = {264--314},
     year = {1925},
     volume = {93},
     zbl = {51.0671.06},
     url = {http://geodesic.mathdoc.fr/item/MAN_1925__93_159094/}
}