%0 Journal Article
%A I. I. Kosenko
%T Topological degree and approximation of solutions for nonregular problems of mechanics: Oscillations of satellites on elliptic orbits
%J Contemporary Mathematics. Fundamental Directions
%D 2006
%P 68-95
%V 16
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMFD_2006_16_a5/
%G ru
%F CMFD_2006_16_a5