%0 Journal Article
%A P. P. Zabreiko
%A I. B. Ledovskaya
%T Higher order approximations of the averaging method of N.\,N.~Bogoljubov--N.\,M.~Krylov
%J Doklady Akademii Nauk
%D 1966
%P 262-265
%V 171
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1966_171_2_a4/
%G ru
%F DAN_1966_171_2_a4