For citations:
Balakhonov D.I., Makarov I.A., Yarantsev M.V. Resurfacing the exhaust valve by plasma spraying versus electric arc and gas flame methods. RUSSIAN RAILWAY SCIENCE JOURNAL. 2021;80(5):260-268. (In Russ.) https://doi.org/10.21780/2223-9731-2021-80-5-260-268