@inproceedings{Gluza:2014jz, author = "Gluza, Janusz", title = "{Non-planar Feynman integrals, Mellin-Barnes representations, multiple sums}", doi = "10.22323/1.211.0052", booktitle = "Proceedings of Loops and Legs in Quantum Field Theory {\textemdash} PoS(LL2014)", year = 2014, volume = "211", pages = "052" }