@article{RCM_1991__25_1-4_181850,
     author = {A. Y. Al-Hawaj and A. H. Essawa},
     title = {The optimum shape of an hydrofoil with no cavitation},
     journal = {Revista colombiana de matematicas},
     pages = {103--122},
     publisher = {mathdoc},
     volume = {25},
     number = {1-4},
     year = {1991},
     zbl = {0768.76059},
     url = {http://geodesic.mathdoc.fr/item/RCM_1991__25_1-4_181850/}
}