@article{1183496750,
author = {Blumenthal, L. M.},
title = {A note on the four-point property},
journal = {Bull. Amer. Math. Soc.},
volume = {39},
number = {12},
year = {1933},
pages = { 423-426},
language = {en},
url = {http://dml.mathdoc.fr/item/1183496750}
}
Blumenthal, L. M. A note on the four-point property. Bull. Amer. Math. Soc., Tome 39 (1933) no. 12, pp. 423-426. http://gdmltest.u-ga.fr/item/1183496750/