TY - JOUR AU - Richard Penney AU - Roman Urban TI - Unbounded harmonic functions on homogeneous manifolds of negative curvature JO - Colloquium Mathematicum PY - 2002 SP - 99 EP - 121 VL - 91 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm91-1-8/ DO - 10.4064/cm91-1-8 LA - en ID - 10_4064_cm91_1_8 ER -