@article{10_4064_aa166_1_3,
     author = {Giacomo Micheli and Davide Schipani},
     title = {On canonical subfield preserving polynomials},
     journal = {Acta Arithmetica},
     pages = {23--32},
     publisher = {mathdoc},
     volume = {166},
     number = {1},
     year = {2014},
     doi = {10.4064/aa166-1-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa166-1-3/}
}