@article{BanksL11,
  title = {Power Totients With Almost Primes},
  author = {William D. Banks and Florian Luca},
  year = {2011},
  url = {http://math.colgate.edu/~integers/a3int2009/a3int2009.Abstract.html},
  researchr = {https://researchr.org/publication/BanksL11},
  cites = {0},
  citedby = {0},
  journal = {Integers},
  volume = {11A},
}