The management system of water supply in the cities of Donbass Viktor Maslak, Nadiya Nasonkina, Svetlana Antonenko, Marina Gutarova, Alyona Tryakina and Pavel Bereza MATEC Web Conf., 245 (2018) 07005 Published online: 05 December 2018 DOI: 10.1051/matecconf/201824507005