@article{10_4064_aa_10_4_369_376,
     author = {M. Bleicher and M. Knopp},
     title = {Lattice points in a sphere},
     journal = {Acta Arithmetica},
     pages = {369--376},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {1964},
     doi = {10.4064/aa-10-4-369-376},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-10-4-369-376/}
}