@article{10_21136_CMJ_1979_101584,
     author = {Machala, Franti\v{s}ek},
     title = {\"Uber projektive {Erweiterung} affiner {Klingenbergscher} {Ebenen}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {116--129},
     year = {1979},
     volume = {29},
     number = {1},
     doi = {10.21136/CMJ.1979.101584},
     mrnumber = {518146},
     zbl = {0465.51001},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1979.101584/}
}