@article{1183737953, author = {Sabbagh, Gabriel and Eklof, Paul}, title = {Definability Problems for Modules and Rings}, journal = {J. Symbolic Logic}, volume = {36}, number = {1}, year = {1971}, pages = { 623-649}, language = {en}, url = {http://dml.mathdoc.fr/item/1183737953} }
Sabbagh, Gabriel; Eklof, Paul. Definability Problems for Modules and Rings. J. Symbolic Logic, Tome 36 (1971) no. 1, pp. 623-649. http://gdmltest.u-ga.fr/item/1183737953/