%0 Journal Article %A Scherk, P. %T On an Observation of M. Riesz %J Canadian mathematical bulletin %D 1961 %P 70-71 %V 4 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1961-012-3/ %R 10.4153/CMB-1961-012-3 %F 10_4153_CMB_1961_012_3