@article{10_4064_aa101_4_6,
     author = {Pierre Bornsztein},
     title = {On an extension of a theorem of {Schur}},
     journal = {Acta Arithmetica},
     pages = {395--399},
     publisher = {mathdoc},
     volume = {101},
     number = {4},
     year = {2002},
     doi = {10.4064/aa101-4-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa101-4-6/}
}