Ecological and economic aspects of optimizing the creation and functioning of drainage systems in accordance with modern requirementsAnatoly Rokochinskiy, Yuri Mazhayskiy, Pavlo Volk, Roman Koptyuk, Lubov Volk and Olga ChernikovaE3S Web Conf., 285 (2021) 02009DOI: https://doi.org/10.1051/e3sconf/202128502009