@article{10_4153_CJM_2011_053_9,
     author = {Neuwirth, Stefan and Ricard, \'Eric},
     title = {Transfer of {Fourier} {Multipliers} into {Schur} {Multipliers} and {Sumsets} in a {Discrete} {Group}},
     journal = {Canadian journal of mathematics},
     pages = {1161--1187},
     year = {2011},
     volume = {63},
     number = {5},
     doi = {10.4153/CJM-2011-053-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2011-053-9/}
}