@article{10_4064_sm_136_1_49_70,
     author = {Jacques Chaumat and  },
     title = {Sur la division et la composition dans des classes ultradiff\'erentiables},
     journal = {Studia Mathematica},
     pages = {49--70},
     year = {1999},
     volume = {136},
     number = {1},
     doi = {10.4064/sm-136-1-49-70},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-136-1-49-70/}
}