@article{10_4064_fm_61_2_171_176,
     author = {A. Lelek and Jan Mycielski},
     title = {On convex metric spaces {IV}},
     journal = {Fundamenta Mathematicae},
     pages = {171--176},
     publisher = {mathdoc},
     volume = {61},
     number = {2},
     year = {1967},
     doi = {10.4064/fm-61-2-171-176},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-61-2-171-176/}
}