Index of Authors A B C D E F G H I J K L M N O P Q R S T U V W X Y Z U Ushkin Sergey Gennadievich 2020Vol 11. No 3 | Utegenova Victoria 2020Vol 11. No 1 | Uzhakhova Leyla 2020Vol 11. No 1 | Uzunov Vladimir Vladimirovich 2018Vol 9. No 4 | 2022Vol 13. No 2 |