| proposed by | Toby Walsh tw@cs.york.ac.uk |
Eric Weisstein's World of Mathematics entry on Lam's problem from Wolfram Research.
The Search for a Finite Projective Plane of Order 10 by C. W. H. Lam
Lam, C. W. H.; Thiel, L.; and Swiercz, S. The Nonexistence of Finite Projective Planes of Order 10, Canad. J. Math. 41, 1117-1123, 1989.