Trautman, A. (1962). “A discussion on the present state of relativity - Analytic solutions of Lorentz-invariant linear equations”. 《Proc. R. Soc. A》 270 (1342): 326–328. Bibcode:1962RSPSA.270..326T. doi:10.1098/rspa.1962.0222.
Newman, E. T. (1973). “Maxwell's equations and complex Minkowski space”. 《J. Math. Phys.》 (The American Institute of Physics) 14 (1): 102–103. Bibcode:1973JMP....14..102N. doi:10.1063/1.1666160.
Mark Davidson (2012). “A study of the Lorentz–Dirac equation in complex space-time for clues to emergent quantum mechanics”. 《Journal of Physics: Conference Series》 361 (1): 012005. Bibcode:2012JPhCS.361a2005D. doi:10.1088/1742-6596/361/1/012005.
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Trautman, A. (1962). “A discussion on the present state of relativity - Analytic solutions of Lorentz-invariant linear equations”. 《Proc. R. Soc. A》 270 (1342): 326–328. Bibcode:1962RSPSA.270..326T. doi:10.1098/rspa.1962.0222.
Newman, E. T. (1973). “Maxwell's equations and complex Minkowski space”. 《J. Math. Phys.》 (The American Institute of Physics) 14 (1): 102–103. Bibcode:1973JMP....14..102N. doi:10.1063/1.1666160.
Mark Davidson (2012). “A study of the Lorentz–Dirac equation in complex space-time for clues to emergent quantum mechanics”. 《Journal of Physics: Conference Series》 361 (1): 012005. Bibcode:2012JPhCS.361a2005D. doi:10.1088/1742-6596/361/1/012005.