@article{10_4153_CJM_2013_032_7,
     author = {Henniart, Guy and S\'echerre, Vincent},
     title = {Types et contragr\'edientes},
     journal = {Canadian journal of mathematics},
     pages = {1287--1304},
     year = {2014},
     volume = {66},
     number = {6},
     doi = {10.4153/CJM-2013-032-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2013-032-7/}
}