%0 Journal Article
%A Jakubczyk, Bronisław
%A Respondek, Witold
%T Phase portraits of planar control-affine systems
%J Control and Cybernetics
%D 2005
%P 819-847
%V 34
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CC_2005_34_3_a10/
%G en
%F CC_2005_34_3_a10