Reihe Lecture Notes in PhysicsChristian Klein × Ernst Equation and Riemann SurfacesAnalytical and Numerical MethodsChristian KleinSpringer BerlinSoftcover2010 Ernst Equation and Riemann SurfacesAnalytical and Numerical MethodsChristian KleinSpringer BerlineBook2005 Ernst Equation and Riemann SurfacesAnalytical and Numerical MethodsChristian KleinSpringer BerlinHardcover2005