@article{GDZPPN002349302, title = {On a Theorem of erd\"os and Turan.}, journal = {Mathematica Scandinavica}, volume = {22}, year = {1968}, pages = {75-80}, zbl = {0174.33901}, url = {http://dml.mathdoc.fr/item/GDZPPN002349302} }
Ennola, Veikko. On a Theorem of erdös and Turan.. Mathematica Scandinavica, Tome 22 (1968) pp. 75-80. http://gdmltest.u-ga.fr/item/GDZPPN002349302/