Kuhl, Jaromy, and Michael W. Schroeder. “Completing Partial Latin Squares With One Nonempty Row, Column, and Symbol”. The Electronic Journal of Combinatorics 23, no. 2 (April 29, 2016): P2.23. Accessed March 14, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v23i2p23.