18811 C. Elsholtz/A. Mütze: Sudoku im Mathematikunterricht.
Math. Sember. 54 (2007), 69-93.

18812 Jesus Gago Vargas/Isabel Hartillo Hermoso/Jorge Martin Morales/
Jose' Maria Ucha Enriquez: Sudokus and Gröbner bases - not only a
divertimento. Internet ca. 2006, 12p.

19958 Agnes Herzberg/M. Ram Murty: Sudoku squares and chromatic polynomials.
Int. Math. Nachr. 206 (2007), 1-19.

18000 Volker Kaibel/Thorsten Koch: Mathematik für den Volkssport.
DMV-Mitt. 14/2 (2006), 93-96.

17936 Will Shortz: Sua maesta' il sudoku. Mondadori 2006, 290p. Eur 8.

18817 Laura Taalman: Taking Sudoku seriously. Internet ca. 2007, 6p.