@article{1093638022, author = {Zimbarg Sobrinho, J.}, title = {Definability in self-referential systems.}, journal = {Notre Dame J. Formal Logic}, volume = {29}, number = {2}, year = {1988}, pages = { 574-578}, language = {en}, url = {http://dml.mathdoc.fr/item/1093638022} }
Zimbarg Sobrinho, J. Definability in self-referential systems.. Notre Dame J. Formal Logic, Tome 29 (1988) no. 2, pp. 574-578. http://gdmltest.u-ga.fr/item/1093638022/