Kuratowski, Casimir Les fonctions semi-continues dans l’espace des ensembles fermes. (French) Zbl 0004.20401 Fundam. Math. 18, 148-159 (1932). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 16 Documents Keywords:set theory, real functions PDF BibTeX XML Cite \textit{C. Kuratowski}, Fundam. Math. 18, 148--159 (1932; Zbl 0004.20401) Full Text: DOI EuDML