@article{MS2_1979__44_166636,
     author = {Erik Svensson},
     title = {On {Fourier-Stieltjes} transforms integer-valued on a given subset.},
     journal = {Mathematica Scandinavica},
     pages = {103--134},
     publisher = {mathdoc},
     volume = {44},
     year = {1979},
     zbl = {0396.43014},
     url = {http://geodesic.mathdoc.fr/item/MS2_1979__44_166636/}
}