@article{1077378460,
author = {Hansen, Rodney T.},
title = {Complementing pairs of subsets of the plane},
journal = {Duke Math. J.},
volume = {36},
number = {1},
year = {1969},
pages = { 441-449},
language = {en},
url = {http://dml.mathdoc.fr/item/1077378460}
}
Hansen, Rodney T. Complementing pairs of subsets of the plane. Duke Math. J., Tome 36 (1969) no. 1, pp. 441-449. http://gdmltest.u-ga.fr/item/1077378460/