Burger, A., Kidd, M., & van Vuuren, J. (2011). A graph-theoretic proof of the non-existence of self-orthogonal Latin squares of order 6. Discrete Mathematics, 311(13), 1223. https://doi.org/10.1016/j.disc.2009.12.016
Chicago Style (17th ed.) CitationBurger, A.P, M.P Kidd, and J.H van Vuuren. "A Graph-theoretic Proof of the Non-existence of Self-orthogonal Latin Squares of Order 6." Discrete Mathematics 311, no. 13 (2011): 1223. https://doi.org/10.1016/j.disc.2009.12.016.
MLA (9th ed.) CitationBurger, A.P, et al. "A Graph-theoretic Proof of the Non-existence of Self-orthogonal Latin Squares of Order 6." Discrete Mathematics, vol. 311, no. 13, 2011, p. 1223, https://doi.org/10.1016/j.disc.2009.12.016.
Warning: These citations may not always be 100% accurate.