TY - JOUR AU - Sönke Blunck TI - Perturbation of analytic operators and temporal regularity of discrete heat kernels JO - Colloquium Mathematicum PY - 2000 SP - 189 EP - 201 VL - 86 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-86-2-189-201/ DO - 10.4064/cm-86-2-189-201 LA - en ID - 10_4064_cm_86_2_189_201 ER -