TY - JOUR AU - Hajime Tanaka TI - Vertex subsets with minimal width and dual width in \(Q\)-polynomial distance-regular graphs JO - The electronic journal of combinatorics PY - 2011 VL - 18 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/654/ DO - 10.37236/654 ID - 10_37236_654 ER -