%0 Journal Article %A A. M. Abdrahmanov %T Integrable systems with elastic reflections %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1990 %P 85-88 %N 5 %U http://geodesic.mathdoc.fr/item/VMUMM_1990_5_a21/ %G ru %F VMUMM_1990_5_a21