"Logika symboliczna i matematyczna." . . . . "Logika matematyczna." . . . . . . . "Formally self-referential propositions for cut free classical analysis and related system" . . . . . . . . "Formally self-referential propositions for cut free classical analysis and related systems" . . "Formally self-referential propositions for cut free classical analysis and related systems"@en . . . . . . . "Metamatematyka." . .