@inproceedings{Höllwieser:2011nl, author = "Höllwieser, Roman and Faber, Manfried and Heller, Urs M.", title = "{Lattice Index Theorem and Fractional Topological Charge}", doi = "10.22323/1.105.0276", booktitle = "Proceedings of The XXVIII International Symposium on Lattice Field Theory {\textemdash} PoS(Lattice 2010)", year = 2011, volume = "105", pages = "276" }