TY - JOUR AU - Havel, Václav TI - One generalization of the fourth harmonic point (Preliminary communication) JO - Commentationes Mathematicae Universitatis Carolinae PY - 1967 SP - 463 EP - 467 VL - 8 IS - 3 UR - http://geodesic.mathdoc.fr/item/CMUC_1967_8_3_a9/ LA - en ID - CMUC_1967_8_3_a9 ER -