%0 Journal Article %A S. Yu. Pilyugin %T Letter to the editors: ``Boundary of the attracting set of a periodic Axiom A-system'' [Differentsial'nye Uravneniya \textbf{17} (1981), no.~9, 1621--1629; MR 83d:58052] %J Differencialʹnye uravneniâ %D 1983 %P 729 %V 19 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_4_a34/ %G ru %F DE_1983_19_4_a34