Foundations of Modern Statistics : Festschrift in Honor of Vladimir Spokoiny, Berlin, Germany, November 6-8, 2019, Moscow, Russia, November 30 2019 - Belomestny, Denis; Butucea, Cristina; Mammen, Enno; Moulines, Eric; Reiß, Markus; Ulyanov, Vladimir V. (Cham Springer International Publishing AG, 2023)