The influence of surface nanostructurization on seviceability of cast-iron of SShKhN rollers - O. V. Maksymiv; V. I. Kyryliv; B. P. Chaikovskyi; Ya. B. Kyryliv; L. M. Hordiichuk; I. H. Yaroshovych (Materials Science (Physicochemical mechanics of materials), 2020)