Capital investments in the context of sustainable development of railwaysOlesia Kharchenko, Andrii Okorokov, Roman Vernigora, Pavlo Tsuprov, Oleksandr Papakhov and Nataliia LogvinovaMATEC Web Conf., 294 (2019) 04003DOI: https://doi.org/10.1051/matecconf/201929404003