Não informado. (1971). General topology and its applications. Elsevier Science Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. General Topology and Its Applications. Amsterdam: Elsevier Science Publishers, 1971.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. General Topology and Its Applications. Elsevier Science Publishers, 1971.
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