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<response><item key="0"><nothing>Romain N. Soguel, &#x410;ndrey Volotka, Dmitry A. Glazov, Stephan Fritzsche, "Many-Electron QED with Redefined Vacuum Approach", Symmetry, vol. 13, pp. 1014, 2021, [DOI: 10.3390/sym13061014] [IF: 2.71, SJR: 0.39]</nothing></item></response>
