@article{AUCMP_1999_40_2_a5,
     author = {Cobzas, S.},
     title = {Antiproximinal {\cyrdze}ets in {Banach} {\cyrdze}paces},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {43--52},
     year = {1999},
     volume = {40},
     number = {2},
     mrnumber = {1751540},
     zbl = {1010.46015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_1999_40_2_a5/}
}