TY - JOUR TI - Afterword to the paper by N.N. Nekhoroshev JO - Russian journal of nonlinear dynamics PY - 2016 SP - 542 EP - 552 VL - 12 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ND_2016_12_3_a8/ LA - ru ID - ND_2016_12_3_a8 ER -