@article{MAN_1982__261_182864,
     author = {J.D. Stegeman},
     title = {On the {Constant} in the {Littlewood} {Problem.}},
     journal = {Mathematische Annalen},
     pages = {51--54},
     publisher = {mathdoc},
     volume = {261},
     year = {1982},
     zbl = {0476.42006},
     url = {http://geodesic.mathdoc.fr/item/MAN_1982__261_182864/}
}