@article{10_4064_fm_63_1_7_25,
     author = {Erik Ellentuck},
     title = {The first order properties of {Dedekind} finite integers},
     journal = {Fundamenta Mathematicae},
     pages = {7--25},
     year = {1968},
     volume = {63},
     number = {1},
     doi = {10.4064/fm-63-1-7-25},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-63-1-7-25/}
}