@article{10_4064_fm_104_2_127_139, author = {John Burgess}, title = {A reflection phenomenon in descriptive set theory}, journal = {Fundamenta Mathematicae}, pages = {127--139}, publisher = {mathdoc}, volume = {104}, number = {2}, year = {1979}, doi = {10.4064/fm-104-2-127-139}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-104-2-127-139/} }