TY - JOUR AU - Satoshi Ishiwata TI - Discrete version of Dungey’s proof for the gradient heat kernel estimate on coverings JO - Annales mathématiques Blaise Pascal PY - 2007 SP - 93 EP - 102 VL - 14 IS - 1 PB - Annales mathématiques Blaise Pascal UR - https://ambp.centre-mersenne.org/articles/10.5802/ambp.229/ DO - 10.5802/ambp.229 LA - en ID - AMBP_2007__14_1_93_0 ER -