Haynsworth, W. Hugh, Sarvate D.G. Ternary 1-designs (V,B;ρ1,pρ2,R; K). A Canadian journal of applied mathematics, computer science and statistics [Internet]. 1996 Jun. 9 [cited 2026 May 8];50. Available from: https://utilitasmathematica.com/index.php/Index/article/view/24