@article{10_4153_CMB_1960_025_6,
     author = {Lorch, Lee},
     title = {On an {Extremal} {Problem} in {Fourier} {Series}},
     journal = {Canadian mathematical bulletin},
     pages = {188--188},
     year = {1960},
     volume = {3},
     number = {2},
     doi = {10.4153/CMB-1960-025-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1960-025-6/}
}