%0 Journal Article %A V. I. Berdyshev %T On the problem of tracking a moving object by observers %J Trudy Instituta matematiki i mehaniki %D 2015 %P 46-55 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2015_21_1_a4/ %G ru %F TIMM_2015_21_1_a4