@article{10_4064_fm_53_3_325_334, author = {W. Hanf}, title = {On a problem of {Erd\"os} and {Tarski}}, journal = {Fundamenta Mathematicae}, pages = {325--334}, publisher = {mathdoc}, volume = {53}, number = {3}, year = {1964}, doi = {10.4064/fm-53-3-325-334}, language = {de}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-53-3-325-334/} }