Allen, Bruce Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;
prd-84-30-1153.pdf (Verlagsversion), 871KB
Allen, B. (1984). Euclidean Schwarzschild negative mode. Physical Review D, 30(6), 1153-1157. doi:10.1103/PhysRevD.30.1153.