%0 Journal Article
%A M. I. Zelikin
%A L. F. Zelikina
%T The structure of optimal synthesis in a~neighbourhood of singular manifolds for problems that are affine in control
%J Sbornik. Mathematics
%D 1998
%P 1467-1484
%V 189
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1998_189_10_a1/
%G en
%F SM_1998_189_10_a1