%0 Journal Article
%A L. V. Ovsyannikov
%T On the property of $x$-autonomy
%J Doklady Akademii Nauk
%D 1993
%P 559-561
%V 330
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1993_330_5_a7/
%G ru
%F DAN_1993_330_5_a7