@article{1183736581, title = {Association for Symbolic Logic}, journal = {J. Symbolic Logic}, volume = {33}, number = {1}, year = {1968}, pages = { 646-682}, language = {en}, url = {http://dml.mathdoc.fr/item/1183736581} }
(éd.). Association for Symbolic Logic. J. Symbolic Logic, Tome 33 (1968) no. 1, pp. 646-682. http://gdmltest.u-ga.fr/item/1183736581/