%0 Journal Article %A V. I. Berdyshev %T Deviation of an object with a striking device from a visibility area of an observer in $\mathbb{R}^3$ %J Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleniâ %D 2020 %P 93-96 %V 494 %U http://geodesic.mathdoc.fr/item/DANMA_2020_494_a20/ %G ru %F DANMA_2020_494_a20