%0 Journal Article %A M. B. Sevryuk %T Partial preservation of frequencies and floquet exponents of invariant tori in the reversible KAM context~2 %J Contemporary Mathematics. Fundamental Directions %D 2017 %P 516-541 %V 63 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMFD_2017_63_3_a8/ %G ru %F CMFD_2017_63_3_a8