@article{MASLO_1980_30_3_a0,
     author = {Rie\v{c}an, Beloslav},
     title = {On a lemma of {G.} {Choquet}},
     journal = {Mathematica slovaca},
     pages = {209--212},
     year = {1980},
     volume = {30},
     number = {3},
     mrnumber = {587247},
     zbl = {0446.28002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1980_30_3_a0/}
}