@article{ARM_1980__16_1_a0,
     author = {Hor\'ak, Pavel},
     title = {Note on category of spaces of parallelism},
     journal = {Archivum mathematicum},
     pages = {1--6},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {1980},
     mrnumber = {594662},
     zbl = {0447.18002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1980__16_1_a0/}
}