TY  - GENERIC
DO  - 10.20944/preprints202106.0155.v1
UR  - http://dx.doi.org/10.20944/preprints202106.0155.v1
TI  - Covid-19: Why Herd Immunity was not Approached Anywhere? Ultrametric Diffusion Modeling of Virus Spread in Hierarchically Clustered Population
T2  - Preprints
AU  - Khrennikov, Andrei
PY  - 2021
DA  - 2021/06/07
PB  - Preprints