@article{10_4064_aa133_1_1,
     author = {Patrice Philippon and Mart{\'\i}n Sombra},
     title = {Minimum essentiel et degr\'es d'obstruction
 des translat\'es de sous-tores},
     journal = {Acta Arithmetica},
     pages = {1--24},
     publisher = {mathdoc},
     volume = {133},
     number = {1},
     year = {2008},
     doi = {10.4064/aa133-1-1},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa133-1-1/}
}