List of citations in Numdam for : A combinatorial problem in geometry

Compositio Mathematica, Volume 2 (1935), pp. 463-470.


Séminaire Bourbaki : volume 1999/2000, exposés 865-879, Astérisque, no. 276 (2002), Talk no. 879, 23 p.

RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Volume 35 (2001) no. 5, pp. 453-475.