@article{10_21136_CMJ_1955_100132,
     author = {Havel, V\'aclav},
     title = {Harmonical quadruplet in {Moufang} plane},
     journal = {Czechoslovak Mathematical Journal},
     pages = {76--82},
     year = {1955},
     volume = {5},
     number = {1},
     doi = {10.21136/CMJ.1955.100132},
     mrnumber = {0074007},
     zbl = {0066.13903},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1955.100132/}
}