[1] Biswas, R., Nanda, S.:
Rough groups and rough subgroups. Bull. Polish Acad. Sci., Math. 42 (1994), 251–254.
MR 1811855 |
Zbl 0834.68102
[2] Burris, S., Sankapanavar, H. P.:
A Course in Universal Algebra. Springer-Verlag, New York, Heidelberg, Berlin, 1981.
MR 0648287
[4] Cignoli, R. L. O., D’Ottaviano, I. M. L., Mundici, D.:
Algebraic Foundation of Many-valued Reasoning. Kluwer Acad. Publ., Dordrecht, Boston, London, 2000.
MR 1786097
[5] Ciucci, D.:
On the axioms of residuated structures independence dependencies and rough approximations. Fundam. Inform. 69 (2006), 359–387.
MR 2350921 |
Zbl 1100.06011
[6] Ciucci, D.: A unifying abstract approach for rough models. In: C., Wang, et al: RSKT 2008, 5009, Springer-Verlag, Heidelberg, 2008, 371–378.
[11] Kondo, M., M.:
Algebraic approach to generalized rough sets. In: D., Slezak, et al: RSFDGrC 2005, LNAI, 5009, Springer-Verlag, Berlin, Heidelberg, 2005, 132–140.
MR 2167787 |
Zbl 1134.68509
[16] Li, X., Liu, S.:
Matroidal approaches to rough sets via closure operators. Inter. J. Approx. Reason. 53 (2012), 513–527.
MR 2903082 |
Zbl 1246.68233
[19] Pawlak, Z.:
Rough Sets: Theoretical Aspects of Reasoning about Data. System Theory, Knowledge Engineering and Problem Solving 9, Kluwer Academic Publ., Dordrecht, 1991.
Zbl 0758.68054
[25] Radzikowska, A. M., Kerre, E. E.:
Fuzzy rough sets based on residuated lattices. In: Transactions on Rough Sets II, Lecture Notes in Computer Sciences, 3135, Springer-Verlag, Berlin, Heidelberg, 2004, 278–296.
Zbl 1109.68118