| Work address: | 4 Butlerova Str., Kazan, Building #20, unit A |
| Office number: | 521 |
| E-mail: | NAChumarin@kpfu.ru |
| orcid: | https://orcid.org/ 0000-0001-9215-8777 |
| elibrary: | https://elibrary.ru/author_items.asp?authorid=1166516&pubrole=100&show_refs=1&show_option=0 |