@article{10_4064_fm_104_3_193_202,
     author = {Alexander Prestel and Les{\l}aw Szczerba},
     title = {Non-axiomatizability of real general affine geometry},
     journal = {Fundamenta Mathematicae},
     pages = {193--202},
     publisher = {mathdoc},
     volume = {104},
     number = {3},
     year = {1979},
     doi = {10.4064/fm-104-3-193-202},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-104-3-193-202/}
}