%0 Journal Article
%A I. V. Protasov
%T Uniform ball structures
%J Algebra and discrete mathematics
%D 2003
%P 93-102
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ADM_2003_1_a8/
%G en
%F ADM_2003_1_a8