А. Bystriantseva, I. Shakhman, N. Yermakova-Cherchenko, Tetiana Goncharenko (2020). MATHEMATICAL DESCRIPTION OF THE PHYSICAL PROCESS OF FORMING THE SURFACE WATERS QUALITY. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Ecology, Economics, Education and Legislation, 515-522. https://doi.org/10.5593/sgem2020/5.1/s20.065