%0 Journal Article %A Thibault Espinasse %A Paul Rochet %T A coupling of the spectral measures at a vertex %J The electronic journal of combinatorics %D 2019 %V 26 %N 3 %U http://geodesic.mathdoc.fr/articles/10.37236/8674/ %R 10.37236/8674 %F 10_37236_8674