@article{JTNB_2007__19_3_561_0,
     author = {Ayad, Mohamed and Luca, Florian},
     title = {Two divisors of $(n^2+1)/2$ summing up to $n+1$},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {561--566},
     publisher = {Universit\'e Bordeaux 1},
     volume = {19},
     number = {3},
     year = {2007},
     doi = {10.5802/jtnb.602},
     zbl = {1161.11004},
     mrnumber = {2388788},
     language = {en},
     url = {http://archive.numdam.org/articles/10.5802/jtnb.602/}
}