@article{RCM_1981__15_181712,
     author = {Khalifa El-Hallabia},
     title = {Une {G\'en\'eralisation} {Du} {Th\'er\`eme} de {Banach-Steinhaus.}},
     journal = {Revista colombiana de matematicas},
     pages = {157--166},
     publisher = {mathdoc},
     volume = {15},
     year = {1981},
     zbl = {0599.46003},
     url = {http://geodesic.mathdoc.fr/item/RCM_1981__15_181712/}
}