Lowen, R. (1985). On the existence of natural non-topological, fuzzy topological spaces. Heldermann.
シカゴスタイル引用形Lowen, R. On the Existence of Natural Non-topological, Fuzzy Topological Spaces. Berlin: Heldermann, 1985.
MLA引用形式Lowen, R. On the Existence of Natural Non-topological, Fuzzy Topological Spaces. Heldermann, 1985.
警告: この引用は必ずしも正確ではありません.