@article{1183740559, author = {Badger, Lee}, title = {Beth's Property Fails in $L^{<\omega 1}$}, journal = {J. Symbolic Logic}, volume = {45}, number = {1}, year = {1980}, pages = { 284-290}, language = {en}, url = {http://dml.mathdoc.fr/item/1183740559} }
Badger, Lee. Beth's Property Fails in $L^{<\omega 1}$. J. Symbolic Logic, Tome 45 (1980) no. 1, pp. 284-290. http://gdmltest.u-ga.fr/item/1183740559/