%0 Journal Article %A Emmanuel Letellier %A Fernando Rodriguez Villegas %T Ennola duality for decomposition of tensor products %J Journal de l’École polytechnique — Mathématiques %D 2026 %P 73-110 %V 13 %I École polytechnique %U https://jep.centre-mersenne.org/articles/10.5802/jep.323/ %R 10.5802/jep.323 %G en %F JEP_2026__13__73_0