TY - JOUR AU - Dungen, Koen van den TI - Generalised Dirac-Schrödinger operators and the Callias Theorem JO - Forum of Mathematics, Sigma PY - 2025 SP - e11 VL - 13 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/fms.2024.157/ DO - 10.1017/fms.2024.157 ID - 10_1017_fms_2024_157 ER -