@article{CRMATH_2006__342_2_89_0,
     author = {Tignol, Jean-Pierre},
     title = {La forme seconde trace d'une alg\`ebre simple centrale de degr\'e 4 de caract\'eristique 2},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {89--92},
     publisher = {Elsevier},
     volume = {342},
     number = {2},
     year = {2006},
     doi = {10.1016/j.crma.2005.11.010},
     language = {fr},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2005.11.010/}
}