Burger A.P., Gründlingh W.R., Van Vuuren J.H. Two combinatorial problems involving lottery schemes: Algorithmic determination of solution sets. A Canadian journal of applied mathematics, computer science and statistics [Internet]. 2006 Jun. 9 [cited 2026 May 8];70. Available from: https://utilitasmathematica.com/index.php/Index/article/view/425