![](https://media.springernature.com/w110h61/springer-static/image/art%3A10.1134%2FS1029959921050015/MediaObjects/40334_2021_1120_Fig1_HTML.gif?as=webp)
![](https://media.springernature.com/w90/springer-static/cover/journal/40334/24/5.jpg?as=webp)
Volume 24, Issue 5
September 2021Special Issue dedicated to the 65th anniversary of Professor Siegfried Shmauder. Editors: Evgeny Kolubaev, Vera Petrova, and Varvara Romanova
14 articles in this issue