@article{Brillhart09,
  title = {A Note on Euler's Factoring Problem},
  author = {John Brillhart},
  year = {2009},
  url = {http://www.jstor.org/stable/40391253},
  researchr = {https://researchr.org/publication/Brillhart09},
  cites = {0},
  citedby = {0},
  journal = {The American Mathematical Monthly},
  volume = {116},
  number = {10},
  pages = {928-931},
}