%0 Journal Article %A Eun Young Lee %T A completely hyperexpansive completion problem for weighted shifts on directed trees with one branching vertex %J Filomat %D 2023 %P 4047 %V 37 %N 12 %U http://geodesic.mathdoc.fr/articles/10.2298/FIL2312047L/ %R 10.2298/FIL2312047L %G en %F 10_2298_FIL2312047L