Sudoku: Strategy versus Structure

J. Scott Provan. Sudoku: Strategy versus Structure. The American Mathematical Monthly, 116(8):702-707, 2009. [doi]

@article{Provan09,
  title = {Sudoku: Strategy versus Structure},
  author = {J. Scott Provan},
  year = {2009},
  url = {http://www.jstor.org/stable/40391196},
  researchr = {https://researchr.org/publication/Provan09},
  cites = {0},
  citedby = {0},
  journal = {The American Mathematical Monthly},
  volume = {116},
  number = {8},
  pages = {702-707},
}