@article{1183743752, author = {Kummer, Martin}, title = {Diagonals and Semihyperhypersimple Sets}, journal = {J. Symbolic Logic}, volume = {56}, number = {1}, year = {1991}, pages = { 1068-1074}, language = {en}, url = {http://dml.mathdoc.fr/item/1183743752} }
Kummer, Martin. Diagonals and Semihyperhypersimple Sets. J. Symbolic Logic, Tome 56 (1991) no. 1, pp. 1068-1074. http://gdmltest.u-ga.fr/item/1183743752/