@article{1183741147, author = {Devlin, Keith J.}, title = {The Combinatorial Principle $\diamond^\sharp$}, journal = {J. Symbolic Logic}, volume = {47}, number = {1}, year = {1982}, pages = { 888-899}, language = {en}, url = {http://dml.mathdoc.fr/item/1183741147} }
Devlin, Keith J. The Combinatorial Principle $\diamond^\sharp$. J. Symbolic Logic, Tome 47 (1982) no. 1, pp. 888-899. http://gdmltest.u-ga.fr/item/1183741147/