@article{10_4064_cm103_1_9,
     author = {Thomas Foertsch},
     title = {Isometries of spaces of convex compact subsets
 of globally non-positively {Busemann} curved spaces},
     journal = {Colloquium Mathematicum},
     pages = {71--84},
     publisher = {mathdoc},
     volume = {103},
     number = {1},
     year = {2005},
     doi = {10.4064/cm103-1-9},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm103-1-9/}
}