The art object presentation in Sankt-Peterburgsky gosudarstvenny university, St. Petersburg university or St.Petersburg State University opened a cycle of the actions dated for International mathematical congress — 2022
On July 7, 2021, 14:07 Presentation of art object in Sankt-Peterburgsky gosudarstvenny university, St. Petersburg university or St.Petersburg State University opened a cycle of the actions dated for International mathematical congress —...