%0 Journal Article
%A M. M. Khapaev
%T On the determination of averaged physical parameters in periodic
%J Doklady Akademii Nauk
%D 1990
%P 857-859
%V 315
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1990_315_4_a21/
%G ru
%F DAN_1990_315_4_a21