Leck, Uwe, Leck, Volker. There is no ODC with all pages isomorphic to C4U̇C3U̇C3U̇ν. A Canadian journal of applied mathematics, computer science and statistics [Internet]. 1996 Jun. 9 [cited 2026 May 8];49. Available from: https://utilitasmathematica.com/index.php/Index/article/view/6