%0 Journal Article
%A A. N. Vasil'ev
%A M. A. Guzev
%T Simple proof that an adiabatic invariant is conserved to exponential accuracy over a~complete interval of development
%J Teoretičeskaâ i matematičeskaâ fizika
%D 1986
%P 146-149
%V 66
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TMF_1986_66_1_a10/
%G ru
%F TMF_1986_66_1_a10