Robuta

https://www.kth.se/math/kalender/niklas-gustin-frobenius-groups-1.1173266?date=2022-06-02&orgdate=2022-02-03&length=1&orglength=332

https://www.kth.se/math/kalender/niklas-gustin-frobenius-groups-1.1173266?date=2022-06-02&orgdate=2022-03-07&length=1&orglength=300