@article{05242320, title = {Gaps in the spectrum of Nathanson heights of projective points.}, journal = {Integers}, volume = {7}, year = {2007}, zbl = {1178.11006}, language = {en}, url = {http://dml.mathdoc.fr/item/05242320} }
O'Bryant, Kevin. Gaps in the spectrum of Nathanson heights of projective points.. Integers, Tome 7 (2007) . http://gdmltest.u-ga.fr/item/05242320/