@article{Bluemlein:2018q9, author = "Bluemlein, Johannes", title = "{Iterative and Iterative-Noniterative Integral Solutions in 3-Loop Massive QCD Calculations}", doi = "10.22323/1.290.0069", journal = "PoS", year = 2018, volume = "RADCOR2017", pages = "069" }