Generative Models for Fast Calorimeter Simulation: the LHCb case>Viktoria Chekalina, Elena Orlova, Fedor Ratnikov, Dmitry Ulyanov, Andrey Ustyuzhanin and Egor ZakharovEPJ Web Conf., 214 (2019) 02034DOI: https://doi.org/10.1051/epjconf/201921402034