@article{ARM_2005__41_4_a3,
     author = {Beg, Ismat and Abbas, Mujahid},
     title = {Fixed points and best approximation in {Menger} convex metric spaces},
     journal = {Archivum mathematicum},
     pages = {389--397},
     publisher = {mathdoc},
     volume = {41},
     number = {4},
     year = {2005},
     mrnumber = {2195492},
     zbl = {1109.47047},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2005__41_4_a3/}
}