The lower and upper approximations in a fuzzy group

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Roughness in rings

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The product structure of fuzzy rough sets on a group and the rough T-fuzzy group

Information Sciences: an International Journal

(θ,T)-fuzzy rough approximation operators and the TL-fuzzy rough ideals on a ring

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On the structure of rough prime (primary) ideals and rough fuzzy prime (primary) ideals in commutative rings

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Rough 3-valued algebras

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The lower and upper approximations in a quotient hypermodule with respect to fuzzy sets

Information Sciences: an International Journal

A short note on algebraic T-rough sets

Information Sciences: an International Journal

The lower and upper approximations in a hypergroup

Information Sciences: an International Journal

Roughness in n-ary hypergroups

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Fuzzy radicals and prime fuzzy ideals of ordered semigroups

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Rough 3-Valued Łukasiewicz Agebras and MV-Algebras

RSKT '09 Proceedings of the 4th International Conference on Rough Sets and Knowledge Technology

A short note on some properties of rough groups

Computers & Mathematics with Applications

Generalized lower and upper approximations in a ring

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The connectedness relative to a sub-base in the L-fuzzy topological space

FSKD'09 Proceedings of the 6th international conference on Fuzzy systems and knowledge discovery - Volume 6

Pawlak's approximations in Γ-semihypergroups

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Reference points and roughness

Information Sciences: an International Journal

Roughness in Cayley graphs

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Roughness in modules

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Roughness based on fuzzy ideals

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The ϑ-lower and T-upper fuzzy rough approximation operators on a semigroup

Information Sciences: an International Journal

Rough set theory applied to lattice theory

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Axiomatic systems for rough set-valued homomorphisms of associative rings

International Journal of Approximate Reasoning

Soft Nearness Approximation Spaces

Fundamenta Informaticae - Cognitive Informatics and Computational Intelligence: Theory and Applications