Bendikov, A., Grigor’yan, A., Hu, E., & Hu, J. (2021). Heat kernels and non-local Dirichlet forms on ultrametric spaces . ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, 22(1), 399-461. https://doi.org/10.2422/2036-2145.201901_011