%0 Journal Article %A D. V. Osipov %T Formal Bott--Thurston Cocycle and Part of a Formal Riemann--Roch Theorem %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2023 %P 243-277 %V 320 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2023_320_a9/ %G ru %F TM_2023_320_a9