@article{10_4064_fm_120_1_15_40,
     author = {Marek Lassak},
     title = {Families of convex sets closed under intersections, homotheties and uniting increasing sequences of sets},
     journal = {Fundamenta Mathematicae},
     pages = {15--40},
     publisher = {mathdoc},
     volume = {120},
     number = {1},
     year = {1984},
     doi = {10.4064/fm-120-1-15-40},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-120-1-15-40/}
}