For citations:

Usherenko S.M., Dashkevich V.G., Usherenko Yu.S. Activation of diffusion during the formation of boride layers on the surface of steel parts. Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY). 2021;(2):94-99. (In Russ.) https://doi.org/10.21122/1683-6065-2021-2-94-99