@article{10_1017_fms_2024_157,
     author = {Dungen, Koen van den},
     title = {Generalised {Dirac-Schr\"odinger} operators and the {Callias} {Theorem}},
     journal = {Forum of Mathematics, Sigma},
     pages = {e11},
     year = {2025},
     volume = {13},
     number = {1},
     doi = {10.1017/fms.2024.157},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/fms.2024.157/}
}