@article{GDZPPN002077450, title = {Distinct Distances Between Lattice Points.}, journal = {Elemente der Mathematik}, volume = {25}, year = {1970}, pages = {121-123}, zbl = {0222.10053}, url = {http://dml.mathdoc.fr/item/GDZPPN002077450} }
Erdös, P.; Guy, R.K. Distinct Distances Between Lattice Points.. Elemente der Mathematik, Tome 25 (1970) pp. 121-123. http://gdmltest.u-ga.fr/item/GDZPPN002077450/