@article{GDZPPN002273810,
title = {On the Structure of Sets of Points of Classes One, Two and Three},
journal = {Mathematische Annalen},
volume = {102},
year = {1930},
pages = {624-632},
zbl = {55.0055.02},
url = {http://dml.mathdoc.fr/item/GDZPPN002273810}
}
Blue, A.H. On the Structure of Sets of Points of Classes One, Two and Three. Mathematische Annalen, Tome 102 (1930) pp. 624-632. http://gdmltest.u-ga.fr/item/GDZPPN002273810/