@article{10_4064_fm167_2_3,
     author = {Lou van den Dries and Philip Ehrlich},
     title = {Fields of surreal numbers and exponentiation},
     journal = {Fundamenta Mathematicae},
     pages = {173--188},
     publisher = {mathdoc},
     volume = {167},
     number = {2},
     year = {2001},
     doi = {10.4064/fm167-2-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm167-2-3/}
}