by M. A. Picardello and W. Woess
Reference:
M. A. Picardello and W. Woess, Boundary representations of $\lambda$-harmonic and polyharmonic functions on trees, Potential Analysis, 51(4), 541–561, (2019).
Bibtex Entry:
@Article{PicardelloWoess2019,
arxiv = {1802.01976},
author = {M.~A. Picardello and W. Woess},
journal = {Potential Analysis},
title = {Boundary representations of $\lambda$-harmonic and polyharmonic functions on trees},
year = {2019},
number = {4},
pages = {541--561},
volume = {51},
doi = {10.1007/s11118-018-9723-5},
groups = {Project01 (Woess), Faculty, External},
xxmrnumber = {4031266},
}