Gionfriddo, Mario, Faro, Giovanni Lo, Milici, Salvatore, Tripodi, Antoinette. Resolvable (K4 - e)-Designs of order v and index λ. A Canadian journal of applied mathematics, computer science and statistics [Internet]. 2016 Sep. 9 [cited 2026 May 7];101. Available from: https://utilitasmathematica.com/index.php/Index/article/view/1149