@article{1183739772, author = {Powell, William C.}, title = {A Completeness Theorem for Zermelo-Fraenkel Set Theory}, journal = {J. Symbolic Logic}, volume = {41}, number = {1}, year = {1976}, pages = { 323-327}, language = {en}, url = {http://dml.mathdoc.fr/item/1183739772} }
Powell, William C. A Completeness Theorem for Zermelo-Fraenkel Set Theory. J. Symbolic Logic, Tome 41 (1976) no. 1, pp. 323-327. http://gdmltest.u-ga.fr/item/1183739772/