%0 Journal Article
%A N. N. Ladis
%T Normal forms of completely integrable systems
%J Differencialʹnye uravneniâ
%D 1976
%P 1994-1999
%V 12
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1976_12_11_a8/
%G ru
%F DE_1976_12_11_a8