Rough isometries and $p$-harmonic functions with finite Dirichlet integral

Rough isometries and $p$ -harmonic functions with finite Dirichlet integral

Ilkka Holopainen, Rough isometries and $p$ -harmonic functions with finite Dirichlet integral. Rev. Mat. Iberoam. 10 (1994), no. 1, pp. 143–176