TY - JOUR AU - Eiichi Bannai AU - Etsuko Bannai AU - Sho Suda AU - Hajime Tanaka TI - On relative \(t\)-designs in polynomial association schemes JO - The electronic journal of combinatorics PY - 2015 VL - 22 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.37236/4889/ DO - 10.37236/4889 ID - 10_37236_4889 ER -