1980/107/2

Every compact ${\displaystyle T_5}$ sequential space is Fréchet

Пространства с единственной точкой экстремальной несвязности

${\displaystyle L_{\left\{{\omega }_1\right\}\omega }}$ equivalence between countable and uncountable linear orderings

Continuous monotone decompositions of planar curves

${\displaystyle F_{\sigma }\delta }$-section of Borel sets

On function spaces of compact subspaces of Σ-products of the real line

Two notes on formalized topology

Borel sets with ${\displaystyle F_{\sigma }\delta }$-section