@article{10_4064_ba52_3_10,
     author = {F. S. De Blasi and G. Pianigiani},
     title = {Continuous {Selections} in ${\alpha }${-Convex} {Metric} {Spaces}},
     journal = {Bulletin of the Polish Academy of Sciences. Mathematics},
     pages = {303--317},
     publisher = {mathdoc},
     volume = {52},
     number = {3},
     year = {2004},
     doi = {10.4064/ba52-3-10},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ba52-3-10/}
}