@article{GDZPPN002376881, title = {Hypothesis K of Hardy and Littlewood}, journal = {Mathematische Zeitschrift}, volume = {40}, year = {1936}, pages = {537-540}, zbl = {0014.34501}, url = {http://dml.mathdoc.fr/item/GDZPPN002376881} }
Chowla, S. and S. S. Pillai. Hypothesis K of Hardy and Littlewood. Mathematische Zeitschrift, Tome 40 (1936) pp. 537-540. http://gdmltest.u-ga.fr/item/GDZPPN002376881/