%0 Journal Article
%A Vladica Andrejić
%T Strong duality principle for four-dimensional Osserman manifolds
%J Kragujevac Journal of Mathematics
%D 2010
%P 17 
%V 33
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KJM_2010_33_a1/
%G en
%F KJM_2010_33_a1