DOI OWNER DEPOSIT-TIMESTAMP LAST-UPDATED CITED-BY-COUNT 10.33051/978-5-6043906-8-9-2020-1-142 10.33051 20210331053711976 2021-03-31 0 10.33051/978-5-6043906-8-9-2020-5-9 10.33051 20210331053711976 2021-03-31 0 10.33051/978-5-6043906-8-9-2020-87-94 10.33051 20210331053711976 2021-03-31 0