@article{10_4064_fm_157_1_61_78,
     author = {Lou van den Dries},
     title = {Dense pairs of o-minimal structures},
     journal = {Fundamenta Mathematicae},
     pages = {61--78},
     publisher = {mathdoc},
     volume = {157},
     number = {1},
     year = {1998},
     doi = {10.4064/fm-157-1-61-78},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-157-1-61-78/}
}