Klein C. Ernst equation and riemann surfaces / C. Klein, O. Richter, 2005 r=on-line
Ordinary and radiative muon capture on 14N / M.Gmitro,O.Richter,H.R.Kissener,A.A.Ovchinnikova, 1990. - 10 p. - Текст : непосредственный.
Kissener H.R. One nucleon transition densities for Ip shell nuclei. Example: IhW excitations in N / H. R. Kissener, H. U. Jaeger, O. Richter, 1990. - 22 p. - Текст : непосредственный.