TY  - JOUR
AU  - M. B. Sevryuk
TI  - Partial preservation of frequencies and floquet exponents of invariant tori in the reversible KAM context~2
JO  - Contemporary Mathematics. Fundamental Directions
PY  - 2017
SP  - 516
EP  - 541
VL  - 63
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMFD_2017_63_3_a8/
LA  - ru
ID  - CMFD_2017_63_3_a8
ER  -