Andrzej Skowron, Jaroslaw Stepaniuk. Tolerance Approximation Spaces. Fundamenta Informaticae, 27(2/3):245-253, 1996.
@article{SkowronS96:0, title = {Tolerance Approximation Spaces}, author = {Andrzej Skowron and Jaroslaw Stepaniuk}, year = {1996}, researchr = {https://researchr.org/publication/SkowronS96%3A0}, cites = {0}, citedby = {0}, journal = {Fundamenta Informaticae}, volume = {27}, number = {2/3}, pages = {245-253}, }