%0 Journal Article %A V. A. Kyrov %T Functional equations in symplectic geometry %J Trudy Instituta matematiki i mehaniki %D 2010 %P 149-153 %V 16 %N 2 %U http://geodesic.mathdoc.fr/item/TIMM_2010_16_2_a11/ %G ru %F TIMM_2010_16_2_a11