TY - JOUR AU - Havel, Václav TI - Harmonical quadruplet in Moufang plane JO - Czechoslovak Mathematical Journal PY - 1955 SP - 76 EP - 82 VL - 5 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1955.100132/ DO - 10.21136/CMJ.1955.100132 LA - en ID - 10_21136_CMJ_1955_100132 ER -