%0 Journal Article %A Havel, Václav %T Harmonical quadruplet in Moufang plane %J Czechoslovak Mathematical Journal %D 1955 %P 76-82 %V 5 %N 1 %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1955.100132/ %R 10.21136/CMJ.1955.100132 %G en %F 10_21136_CMJ_1955_100132