@article{IIMI_2021_57_a8,
     author = {V. I. Ukhobotov and I. V. Izmest'ev},
     title = {On problem of controlling the process of cleaning a pond from impurity},
     journal = {Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta},
     pages = {181--189},
     publisher = {mathdoc},
     volume = {57},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIMI_2021_57_a8/}
}