%0 Journal Article %A R. V. Sorokin %A T. N. Shipina %T On the unique solvability of a problem of identifying lower coefficients in a multidimensional system of composite type %J Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory %D 2022 %P 73-83 %V 212 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTO_2022_212_a7/ %G ru %F INTO_2022_212_a7