Semmelmann, U. Max Planck Institute for Mathematics, Max Planck Society;
Kramer, W. Max Planck Institute for Mathematics, Max Planck Society;
Semmelmann, U., Kramer, W., & Weingart, G. (1998). The first eigenvalue of the Dirac operator on quaternionic Kähler manifolds. Communications in Mathematical Physics, 199, 327-349.