@article{MAN_1993__296_4_165097,
     author = {W.D. Evans and D.J. Harris},
     title = {Fractals, trees and the {Neumann} {Laplacian.}},
     journal = {Mathematische Annalen},
     pages = {493--528},
     publisher = {mathdoc},
     volume = {296},
     number = {4},
     year = {1993},
     zbl = {0799.46041},
     url = {http://geodesic.mathdoc.fr/item/MAN_1993__296_4_165097/}
}