Richard S. Bird. Functional Pearl: A program to solve Sudoku. Journal of Functional Programming, 16(6):671-679, 2006. [doi]
@article{Bird06:1, title = {Functional Pearl: A program to solve Sudoku}, author = {Richard S. Bird}, year = {2006}, doi = {10.1017/S0956796806006058}, url = {http://dx.doi.org/10.1017/S0956796806006058}, tags = {functional programming}, researchr = {https://researchr.org/publication/Bird06%3A1}, cites = {0}, citedby = {0}, journal = {Journal of Functional Programming}, volume = {16}, number = {6}, pages = {671-679}, }