For citations:
Sazonenko I.O., Sapon V.I. Relativity: photon. Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY). 2021;(2):109-119. (In Russ.) https://doi.org/10.21122/1683-6065-2021-2-109-119
Sazonenko I.O., Sapon V.I. Relativity: photon. Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY). 2021;(2):109-119. (In Russ.) https://doi.org/10.21122/1683-6065-2021-2-109-119