@article{1093891806, author = {Green, Judy}, title = {A note on ${\cal P}$-admissible sets with urelements.}, journal = {Notre Dame J. Formal Logic}, volume = {16}, number = {1}, year = {1975}, pages = { 415-417}, language = {en}, url = {http://dml.mathdoc.fr/item/1093891806} }
Green, Judy. A note on ${\cal P}$-admissible sets with urelements.. Notre Dame J. Formal Logic, Tome 16 (1975) no. 1, pp. 415-417. http://gdmltest.u-ga.fr/item/1093891806/