@article{10_4064_aa_67_4_349_380,
     author = {Paul Bateman and Adolf Hildebrand and George Purdy},
     title = {Sums of distinct squares},
     journal = {Acta Arithmetica},
     pages = {349--380},
     publisher = {mathdoc},
     volume = {67},
     number = {4},
     year = {1994},
     doi = {10.4064/aa-67-4-349-380},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-67-4-349-380/}
}