APA aipamena

Lowen, R. (1985). On the existence of natural non-topological, fuzzy topological spaces. Heldermann.

Chicago Style aipamena

Lowen, R. On the Existence of Natural Non-topological, Fuzzy Topological Spaces. Berlin: Heldermann, 1985.

MLA aipamena

Lowen, R. On the Existence of Natural Non-topological, Fuzzy Topological Spaces. Heldermann, 1985.

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