@article{MZ_1936__41_168683,
     author = {S. and S. S. Pillai Chowla},
     title = {Hypothesis {K} of {Hardy} and {Littlewood}},
     journal = {Mathematische Zeitschrift},
     pages = {537--540},
     publisher = {mathdoc},
     volume = {41},
     year = {1936},
     zbl = {0014.34501},
     url = {http://geodesic.mathdoc.fr/item/MZ_1936__41_168683/}
}