@article{1102948653, author = {Grant, John}, title = {Automorphisms definable by formulas.}, journal = {Pacific J. Math.}, volume = {49}, number = {2}, year = {1973}, pages = { 107-115}, language = {en}, url = {http://dml.mathdoc.fr/item/1102948653} }
Grant, John. Automorphisms definable by formulas.. Pacific J. Math., Tome 49 (1973) no. 2, pp. 107-115. http://gdmltest.u-ga.fr/item/1102948653/