Analysis of semi-relativistic approximations for relativistic (e,2e) experiments L. U. Ancarani, H. Ast, S. Keller, R. M. Dreizler, C. T. Whelan et H. R.J. WaltersJ. Phys. IV France, 09 PR6 (1999) Pr6-225-Pr6-228DOI: https://doi.org/10.1051/jp4:1999648
