@article{RCM_1993__27_1-2_181876,
     author = {Mohamed Amine Khamsi},
     title = {A nonstandard fixed point result in ...},
     journal = {Revista colombiana de matematicas},
     pages = {137--146},
     publisher = {mathdoc},
     volume = {27},
     number = {1-2},
     year = {1993},
     zbl = {0806.47046},
     url = {http://geodesic.mathdoc.fr/item/RCM_1993__27_1-2_181876/}
}