@article{1183732118, author = {Sobocinski, Boleslaw}, title = {Note on a Problem of Paul Bernays}, journal = {J. Symbolic Logic}, volume = {20}, number = {1}, year = {1955}, pages = { 109-114}, language = {en}, url = {http://dml.mathdoc.fr/item/1183732118} }
Sobocinski, Boleslaw. Note on a Problem of Paul Bernays. J. Symbolic Logic, Tome 20 (1955) no. 1, pp. 109-114. http://gdmltest.u-ga.fr/item/1183732118/