@article{10_4064_aa_59_2_183_204,
     author = {J. Sander},
     title = {On 4/n = 1/x + 1/y + 1/z and {Rosser's} sieve},
     journal = {Acta Arithmetica},
     pages = {183--204},
     publisher = {mathdoc},
     volume = {59},
     number = {2},
     year = {1991},
     doi = {10.4064/aa-59-2-183-204},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-59-2-183-204/}
}