@article{10_37236_654,
     author = {Hajime Tanaka},
     title = {Vertex subsets with minimal width and dual width in {\(Q\)-polynomial} distance-regular graphs},
     journal = {The electronic journal of combinatorics},
     year = {2011},
     volume = {18},
     number = {1},
     doi = {10.37236/654},
     zbl = {1235.05160},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/654/}
}