@article{10_4064_aa_90_2_113_120,
     author = {Wolfgang Jenkner},
     title = {On divisors whose sum is a square},
     journal = {Acta Arithmetica},
     pages = {113--120},
     publisher = {mathdoc},
     volume = {90},
     number = {2},
     year = {1999},
     doi = {10.4064/aa-90-2-113-120},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-90-2-113-120/}
}