On Perturbations of Extreme Kerr–Newman Black Holes and their Evolutionhttp://www.cmat.edu.uy/docentes/reiris-ithurralde-martin/on-perturbations-of-extreme-kerr2013newman-black-holes-and-their-evolution.pdf/viewhttp://www.cmat.edu.uy/@@site-logo/log-cmat.png
On Perturbations of Extreme Kerr–Newman Black Holes and their Evolution