TY - JOUR AU - Mikhail Lifshits AU - Werner Linde TI - Compactness properties of weighted summation operators on trees—the critical case JO - Studia Mathematica PY - 2011 SP - 75 EP - 96 VL - 206 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm206-1-6/ DO - 10.4064/sm206-1-6 LA - en ID - 10_4064_sm206_1_6 ER -