@article{1183744934, author = {Westerstahl, Dag}, title = {Self-Commuting Quantifiers}, journal = {J. Symbolic Logic}, volume = {61}, number = {1}, year = {1996}, pages = { 212-224}, language = {en}, url = {http://dml.mathdoc.fr/item/1183744934} }
Westerstahl, Dag. Self-Commuting Quantifiers. J. Symbolic Logic, Tome 61 (1996) no. 1, pp. 212-224. http://gdmltest.u-ga.fr/item/1183744934/