@article{X16e-9,
  title = {Problems and Solutions},
  year = {2016},
  url = {https://www.tandfonline.com/doi/abs/10.4169/amer.math.monthly.123.4.399},
  researchr = {https://researchr.org/publication/X16e-9},
  cites = {0},
  citedby = {0},
  journal = {The American Mathematical Monthly},
  volume = {123},
  number = {4},
  pages = {399-406},
}