Müller, H. J. W.; Schilcher, K. (1968). "High-Energy Scattering for Yukawa Potentials". Journal of Mathematical Physics. 9 (2). AIP Publishing: 255–259. doi:10.1063/1.1664576. ISSN0022-2488.
Müller, H. J. W.; Schilcher, K. (1968). "High-Energy Scattering for Yukawa Potentials". Journal of Mathematical Physics. 9 (2). AIP Publishing: 255–259. doi:10.1063/1.1664576. ISSN0022-2488.