@article{1183738751, author = {Lake, John}, title = {On an Ackermann-Type Set Theory}, journal = {J. Symbolic Logic}, volume = {38}, number = {1}, year = {1973}, pages = { 410-412}, language = {en}, url = {http://dml.mathdoc.fr/item/1183738751} }
Lake, John. On an Ackermann-Type Set Theory. J. Symbolic Logic, Tome 38 (1973) no. 1, pp. 410-412. http://gdmltest.u-ga.fr/item/1183738751/