@article{10_4064_aa_45_4_381_389,
     author = {J. Bourgain},
     title = {Sur le minimum d'une somme de cosinus},
     journal = {Acta Arithmetica},
     pages = {381--389},
     publisher = {mathdoc},
     volume = {45},
     number = {4},
     year = {1985},
     doi = {10.4064/aa-45-4-381-389},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-45-4-381-389/}
}