%0 Journal Article %A V. V. Vedyushkina %A V. A. Kibkalo %A A. T. Fomenko %T Topological modeling of integrable systems by billiards: realization of numerical invariants %J Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleniâ %D 2020 %P 9-12 %V 493 %U http://geodesic.mathdoc.fr/item/DANMA_2020_493_a1/ %G ru %F DANMA_2020_493_a1