@article{Abreu:2018QL, author = "Abreu, Samuel and Britto, Ruth and Duhr, Claude and Gardi, Einan", title = "{The diagrammatic coaction and the algebraic structure of cut Feynman integrals}", doi = "10.22323/1.290.0002", journal = "PoS", year = 2018, volume = "RADCOR2017", pages = "002" }