%0 Journal Article %A V. A. Sobolev %T Decomposition of~singularly perturbed optimal tracking problems with~a~given reference trajectory %J Sibirskij žurnal industrialʹnoj matematiki %D 2023 %P 112-124 %V 26 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJIM_2023_26_3_a8/ %G ru %F SJIM_2023_26_3_a8