@article{AUPO_1980__19_1_a4,
     author = {Machala, Franti\v{s}ek},
     title = {\"Uber eine {Klasse} affiner {Klingenbergscher} {Ebenen,} die projektiv erweiterbar sind},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {65--74},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {1980},
     mrnumber = {0630369},
     zbl = {0477.51006},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1980__19_1_a4/}
}