by Hrubel, M.H., Kovalchuk, R.A., Lanets, O.V.
Published in IOP conference series. Materials Science and Engineering (01.03.2023)

by Du, Yu, Mol’kov, Yu. V., Lenkovs’kyi, Т. М., Koval’chuk, R. А.
Published in Materials science (New York, N.Y.) (01.07.2017)

by Hlova, T. Y., Kovalchuk, R. A., Kuznitska, B. M.
Published in Military Technical Collection (28.05.2019)

by Lenkovskiy, T.M., Kulyk, V.V., Duriagina, Z.A., Kovalchuk, R.A., Topilnytskyy, V.H., Vira, V.V., Tepla, T.L.
Published in Archives of materials science and engineering (01.03.2017)

by Lenkovskiy, T.M., Kulyk, V.V., Duriagina, Z.A., Kovalchuk, R.A., Topilnytskyy, V.G., Vira, V.V., Tepla, T.L., Bilash, O.V., Lishchynska, K.I.
Published in Archives of materials science and engineering (01.10.2017)

by Bahan, U. R., Kovalchuk, R. A.
Published in Art of Medicine (15.10.2024)

by Grytsenko, О. M., Pukach, P. Ya, Suberlyak, O. V., Moravskyi, V. S., Kovalchuk, R. A., Berezhnyy, B. V.
Published in Mathematical Modeling and Computing (30.12.2019)