@article{CRMATH_2004__338_3_197_0,
     author = {Beaugendre, Pascal},
     title = {Op\'erateurs lin\'eaires continus d'extension dans des intersections de classes ultradiff\'erentiables},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {197--202},
     publisher = {Elsevier},
     volume = {338},
     number = {3},
     year = {2004},
     doi = {10.1016/j.crma.2003.12.002},
     language = {fr},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2003.12.002/}
}