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v. 13
Incomplete information : rough set analysis / Ewa Orlowska (ed.)
Heidelberg : Physica-Verlag , 1998
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2 |
v.18 . ; 1Rough sets in knowledge discovery /
Methodology and applications
Heidelberg : Physica-Verlag , c1998
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3 |
v. 20
Fuzzy mathematics : an introduction for engineers and scientists / John N. Mordeson, Premchand S. Nair
Heidelberg : Physica-Verlag , c1998
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4 |
v. 20
Fuzzy mathematics : an introduction for engineersand scientists / John N. Mordeson, Premchand S. Nair
2nd ed.. - Heidelberg : Physica-Verlag , c2001
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