@article{105128,
author = {V\'aclav Havel},
title = {One generalization of the fourth harmonic point (Preliminary communication)},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {008},
year = {1967},
pages = {463-467},
zbl = {0155.49001},
mrnumber = {0225221},
language = {en},
url = {http://dml.mathdoc.fr/item/105128}
}
Havel, Václav. One generalization of the fourth harmonic point (Preliminary communication). Commentationes Mathematicae Universitatis Carolinae, Tome 008 (1967) pp. 463-467. http://gdmltest.u-ga.fr/item/105128/
Recent advances in the foundations of Euclidean geometry, Amer. Math. Monthly 62 (1955), No. 7, Part II, 1-17. (1955) | MR 0073213