@article{10_4064_fm187_3_1,
     author = {Riccardo Camerlo},
     title = {Universal analytic preorders arising from
 surjective functions},
     journal = {Fundamenta Mathematicae},
     pages = {193--212},
     publisher = {mathdoc},
     volume = {187},
     number = {3},
     year = {2005},
     doi = {10.4064/fm187-3-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm187-3-1/}
}