@article{10_4064_fm_74_2_133_144,
     author = {W. Nitka},
     title = {On convex metric spaces {VI}},
     journal = {Fundamenta Mathematicae},
     pages = {133--144},
     publisher = {mathdoc},
     volume = {74},
     number = {2},
     year = {1972},
     doi = {10.4064/fm-74-2-133-144},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-74-2-133-144/}
}