Crnković, Dean, Rukavina, Sanja, and Simčić, Loredana. “On Triplanes of Order Twelve Admitting an Automorphism of Order Six and Their Binary and Ternary Codes”. Utilitas Mathematica 103 (June 9, 2017). Accessed May 7, 2026. https://utilitasmathematica.com/index.php/Index/article/view/1224.