%0 Journal Article
%A T. A. Lepskii
%T The monodromy operator of an integrable system $(\mathbb R^4,\omega,H)$ under the condition of the incompleteness of skew-symmetric fields
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 2006
%P 6-10
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_2006_6_a1/
%G ru
%F VMUMM_2006_6_a1