1. P. A. M. Dirac, Proc. R. Soc. London Ser. A, 133, 60–72 (1931).
2. P. A. M. Dirac, Phys. Rev. (2), 74, 817–830 (1948).
3. I. V. Tyutin, “Scattering of an electron on a solenoid [in Russian],” Preprint FIAN No. 27, Lebedev Phys. Inst., Moscow (1974); arXiv:0801.2167v2 [quant-ph] (2008).
4. T. T. Wu and C. N. Yang, Phys. Rev. D, 12, 3845–3857 (1975).
5. T. T. Wu and C. N. Yang, Nucl. Phys. B, 107, 365–380 (1976).