%0 Journal Article
%A I. A. Savchenko
%T Convergence with respect to ultrafilters and the collectionwise normality of products
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1988
%P 73-76
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1988_2_a18/
%G ru
%F VMUMM_1988_2_a18