Assessing the tourist and recreational potential in the South of RussiaOlga V. Ivlieva, Anna V. Shmytkova, Roman I. Sukhov, Ksenia V. Kushnir and Tatyana N. GrigorenkoE3S Web Conf., 208 (2020) 05013DOI: https://doi.org/10.1051/e3sconf/202020805013