%0 Journal Article
%A I. A. Bizyaev
%A A. V. Borisov
%A I. S. Mamaev
%T The Hess–Appelrot case and quantization of the rotation number
%J Russian journal of nonlinear dynamics
%D 2017
%P 433-452
%V 13
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ND_2017_13_3_a9/
%G ru
%F ND_2017_13_3_a9