@article{GDZPPN002306190, title = {The Uniform Algebra Generated by z and a Smooth Even Function.}, journal = {Mathematische Annalen}, volume = {196}, year = {1972}, pages = {269-274}, zbl = {0221.46047}, url = {http://dml.mathdoc.fr/item/GDZPPN002306190} }
Freeman, Michael. The Uniform Algebra Generated by z and a Smooth Even Function.. Mathematische Annalen, Tome 196 (1972) pp. 269-274. http://gdmltest.u-ga.fr/item/GDZPPN002306190/