%0 Journal Article %A G. A. Karagulian %T On the selection of a~convergence subsystem with logarithmic density %J Sbornik. Mathematics %D 1989 %P 41-56 %V 64 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1989_64_1_a2/ %G en %F SM_1989_64_1_a2