%0 Journal Article
%A Igor Protasov
%T Some more algebra on ultrafilters in~metric~spaces
%J Algebra and discrete mathematics
%D 2018
%P 286-293
%V 25
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ADM_2018_25_2_a7/
%G en
%F ADM_2018_25_2_a7