M. G. Tkačenko

No submaximal topology on a countable set is T~1-complementary

V. Tkachuk, M. G. Tkačenko, 1999 .

Irresolvable and submaximal spaces: Homogeneity versus σ-discreteness and new ZFC examples1Research supported by Consejo Nacional de Ciencia y Tecnologı́a (CONACYT) de México, grant 400200-5-3012P-E.1

V. Tkachuk, M. Sanchis, O. T. Alas, 2000 .

Introduction to topological groups

M. G. Tkačenko, 1998 .

Almost all submaximal groups are paracompact and σ-discrete

V. Tkachuk, O. T. Alas, I. Protasov, 1998, Fundamenta Mathematicae.