@article{GDZPPN002178613,
title = {Decompositions of the Plane into Three Sets.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {203},
year = {1960},
pages = {209-215},
zbl = {0095.04002},
url = {http://dml.mathdoc.fr/item/GDZPPN002178613}
}
Bagemihl, Frederick. Decompositions of the Plane into Three Sets.. Journal für die reine und angewandte Mathematik, Tome 203 (1960) pp. 209-215. http://gdmltest.u-ga.fr/item/GDZPPN002178613/