@article{10_4064_fm_69_3_241_242, author = {B. Rao}, title = {Non-existence of certain {Borel} structures}, journal = {Fundamenta Mathematicae}, pages = {241--242}, publisher = {mathdoc}, volume = {69}, number = {3}, year = {1970}, doi = {10.4064/fm-69-3-241-242}, language = {fr}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-69-3-241-242/} }