Prokopowicz. (2017). Theory and Applications of Ordered Fuzzy Numbers (1.). Springer International Publishing.
Lua i Stíl Chicago (17ú heag.)Prokopowicz. Theory and Applications of Ordered Fuzzy Numbers. 1. Springer International Publishing, 2017.
Lua MLA (8ú heag.)Prokopowicz. Theory and Applications of Ordered Fuzzy Numbers. 1. Springer International Publishing, 2017.
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