Categories of topological spaces with sufficiently many sequentially closed spaces

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1. Bohuslav Balcar, Vladimír Müller, Jaroslav Nešetřil, Petr Simon, Jan Pelant (18.2.1950–11.4.2005)
2. Bohuslav Balcar, Vladimír Müller, Jaroslav Nešetřil, Petr Simon, Jan Pelant (18.2.1950–11.4.2005)