@article{Magerya:2019B5, author = "Magerya, Vitaly and Pikelner, Andrey", title = "{Master integrals for all unitarity cuts of massless 4-loop propagators}", doi = "10.22323/1.375.0049", journal = "PoS", year = 2019, volume = "RADCOR2019", pages = "049" }