@article{1093635935, author = {Toffalori, Carlo}, title = {Classifying pairs of equivalence relations.}, journal = {Notre Dame J. Formal Logic}, volume = {32}, number = {2}, year = {1991}, pages = { 637-650}, language = {en}, url = {http://dml.mathdoc.fr/item/1093635935} }
Toffalori, Carlo. Classifying pairs of equivalence relations.. Notre Dame J. Formal Logic, Tome 32 (1991) no. 2, pp. 637-650. http://gdmltest.u-ga.fr/item/1093635935/