Dissecting the region around IceCube-170922A: the blazar TXS 0506+056 as the first cosmic neutrino sourceTheo Glauch, Paolo Padovani, Paolo Giommi, Elisa Resconi, Bruno Arsioli, Narek Sahakyan and Matthias HuberEPJ Web Conf., 207 (2019) 02003DOI: https://doi.org/10.1051/epjconf/201920702003