Coincidentally, I ran in this paper just now, on latin squares (one of the mentioned fields): https://malmskog.files.wordpress.com/2011/10/revised-math-magazine

Coincidentally, I ran in this paper just now, on latin squares (one of the mentioned fields): https://malmskog.files.wordpress.com/2011/10/revised-math-magazine-may-1.pdf https://malmskog.files.wordpress.com/2011/10/revised-math-ma...