@article{ARM_1967_3_2_a5,
     author = {Pol\'ak, V\'aclav},
     title = {A note to {D.} {Gale's} productivity},
     journal = {Archivum mathematicum},
     pages = {99--104},
     year = {1967},
     volume = {3},
     number = {2},
     mrnumber = {0226614},
     zbl = {0213.45902},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1967_3_2_a5/}
}