@article{ARM_2002_38_4_a3,
     author = {Ban, A. I. and Gal, S. G.},
     title = {On the minimal displacement of points under mappings},
     journal = {Archivum mathematicum},
     pages = {273--284},
     year = {2002},
     volume = {38},
     number = {4},
     mrnumber = {1942657},
     zbl = {1068.47069},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2002_38_4_a3/}
}