@article{10_4153_CMB_1961_012_3,
     author = {Scherk, P.},
     title = {On an {Observation} of {M.} {Riesz}},
     journal = {Canadian mathematical bulletin},
     pages = {70--71},
     year = {1961},
     volume = {4},
     number = {1},
     doi = {10.4153/CMB-1961-012-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1961-012-3/}
}