@article{CMH_1935__8_138655,
     author = {Jean Leray},
     title = {Les probl\`emes de repr\'esentation conforme {d'Helmholtz;} th\`eories des sillages et des proues.},
     journal = {Commentarii mathematici Helvetici},
     pages = {250--263},
     publisher = {mathdoc},
     volume = {8},
     year = {1935},
     zbl = {0014.11601},
     url = {http://geodesic.mathdoc.fr/item/CMH_1935__8_138655/}
}