Eduardo Fermé, Maurício Reis. System of Spheres-based Multiple Contractions. J. Philosophical Logic, 41(1):29-52, 2012. [doi]
@article{FermeR12, title = {System of Spheres-based Multiple Contractions}, author = {Eduardo Fermé and Maurício Reis}, year = {2012}, doi = {10.1007/s10992-011-9197-z}, url = {http://dx.doi.org/10.1007/s10992-011-9197-z}, researchr = {https://researchr.org/publication/FermeR12}, cites = {0}, citedby = {0}, journal = {J. Philosophical Logic}, volume = {41}, number = {1}, pages = {29-52}, }