%0 Journal Article %A N. I. Gavrilov %T Letter to the editors: “On the stability of solutions of a class of Hamiltonian systems with small changes of the function $H$” [Differentsial'nye Uravneniya 18 (1982), no. 2, 219–234; MR 83j:58047] %J Differencialʹnye uravneniâ %D 1983 %P 729 %V 19 %N 4 %U http://geodesic.mathdoc.fr/item/DE_1983_19_4_a33/ %G ru %F DE_1983_19_4_a33