%0 Journal Article %A Eiichi Bannai %A Etsuko Bannai %A Hajime Tanaka %A Yan Zhu %T Tight relative t-designs on two shells in hypercubes, and Hahn and Hermite polynomials %J Ars Mathematica Contemporanea %D 2022 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.2352.eaf/ %R 10.26493/1855-3974.2352.eaf %G en %F 10_26493_1855_3974_2352_eaf