%0 Journal Article %A V. V. Kozlov %A O. G. Smolyanov %T Mathematical structures related to the description of quantum states %J Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleniâ %D 2021 %P 57-61 %V 501 %I mathdoc %U http://geodesic.mathdoc.fr/item/DANMA_2021_501_a10/ %G ru %F DANMA_2021_501_a10