@article{AUPO_1976__15_1_a1,
     author = {Markov\'a, Libu\v{s}e},
     title = {Ternary rings of {Pappian} planes},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {23--27},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {1976},
     mrnumber = {0487753},
     zbl = {0371.50008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1976__15_1_a1/}
}