scientific article; zbMATH DE number 4126289
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Publication:4206093
zbMath0687.54019MaRDI QIDQ4206093
Publication date: 1989
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Special maps on topological spaces (open, closed, perfect, etc.) (54C10) Proximity structures and generalizations (54E05) Extension of maps (54C20)
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