%0 Journal Article %A V. I. Malykhin %T The lattice of regular topologies on a~countable set is complemented %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1977 %V 32 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1977_32_1_a17/ %G ru %F RM_1977_32_1_a17