@article{CMJ_2003__53_1_a1,
     author = {Machala, Franti\v{s}ek},
     title = {Incidence structures of type $(p, n)$},
     journal = {Czechoslovak Mathematical Journal},
     pages = {9--18},
     publisher = {mathdoc},
     volume = {53},
     number = {1},
     year = {2003},
     mrnumber = {1961995},
     zbl = {1015.08001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2003__53_1_a1/}
}