@article{10_4064_ba56_3_5,
     author = {Dongni Tan},
     title = {On {Maps} which {Preserve
} {Equality} of {Distance} in $F^{*}$-spaces},
     journal = {Bulletin of the Polish Academy of Sciences. Mathematics},
     pages = {225--230},
     publisher = {mathdoc},
     volume = {56},
     number = {3},
     year = {2008},
     doi = {10.4064/ba56-3-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ba56-3-5/}
}