@article{10_21136_CMJ_1968_100833,
     author = {Havel, V\'aclav},
     title = {One generalization of the fourth harmonic point},
     journal = {Czechoslovak Mathematical Journal},
     pages = {294--300},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {1968},
     doi = {10.21136/CMJ.1968.100833},
     mrnumber = {0229135},
     zbl = {0155.49002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1968.100833/}
}