Goryachev-Chaplygin, Kovalevskaya, and Brdička-Eardley-Nappi-Witten pp-waves spacetimes with higher rank Stäckel-Killing tensors

G. W. Gibbons, C. Rugina
  • Journal of Mathematical Physics, January 2011, American Institute of Physics
  • DOI: 10.1063/1.3664754