Eduard Bartl, Radim Belohlávek. Knowledge spaces with graded knowledge states. Inf. Sci., 181(8):1426-1439, 2011. [doi]
@article{BartlB11, title = {Knowledge spaces with graded knowledge states}, author = {Eduard Bartl and Radim Belohlávek}, year = {2011}, doi = {10.1016/j.ins.2010.11.040}, url = {http://dx.doi.org/10.1016/j.ins.2010.11.040}, researchr = {https://researchr.org/publication/BartlB11}, cites = {0}, citedby = {0}, journal = {Inf. Sci.}, volume = {181}, number = {8}, pages = {1426-1439}, }