@article{RCM_1984__18_181732,
     author = {Roshdi Khalil},
     title = {M-Ideals {In} {Banach} {Spaces.}},
     journal = {Revista colombiana de matematicas},
     pages = {33--40},
     publisher = {mathdoc},
     volume = {18},
     year = {1984},
     zbl = {0556.47025},
     url = {http://geodesic.mathdoc.fr/item/RCM_1984__18_181732/}
}