@article{DANMA_2020_493_a16,
     author = {V. I. Berdyshev},
     title = {Problem of safely tracking an object avoiding observation in $\mathbb{R}^2$},
     journal = {Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleni\^a},
     pages = {86--89},
     year = {2020},
     volume = {493},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DANMA_2020_493_a16/}
}