@article{10_4064_cm_49_1_117_121,
     author = {A. Takaku},
     title = {Prime numbers such that the sums of the divisors of their powers are perfect squares},
     journal = {Colloquium Mathematicum},
     pages = {117--121},
     publisher = {mathdoc},
     volume = {49},
     number = {1},
     year = {1984},
     doi = {10.4064/cm-49-1-117-121},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-49-1-117-121/}
}