@article{GDZPPN002084090, title = {Weyl Numbers in Function Spaces.}, journal = {Forum mathematicum}, volume = {2}, year = {1990}, pages = {249-264}, zbl = {0708.46036}, url = {http://dml.mathdoc.fr/item/GDZPPN002084090} }
Caetano, António M. Weyl Numbers in Function Spaces.. Forum mathematicum, Tome 2 (1990) pp. 249-264. http://gdmltest.u-ga.fr/item/GDZPPN002084090/