@article{10_4064_aa_26_2_159_174,
     author = {J. Loxton},
     title = {On two problems of {E.} {M.} {Robinson} about sums of roots of unity},
     journal = {Acta Arithmetica},
     pages = {159--174},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1974},
     doi = {10.4064/aa-26-2-159-174},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-26-2-159-174/}
}