For citations:
Sazonenko I.O., Sazonenko V.I. Special theory of relativity: a view of an external observer. Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY). 2019;(4):26-30. (In Russ.) https://doi.org/10.21122/1683-6065-2019-4-26-30
Sazonenko I.O., Sazonenko V.I. Special theory of relativity: a view of an external observer. Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY). 2019;(4):26-30. (In Russ.) https://doi.org/10.21122/1683-6065-2019-4-26-30