@article{10_4064_ap_49_2_129_133,
     author = {Ryuichi Ishimura},
     title = {Endomorphismes de l'espace des germes de fonctions holomorphes en un point et op\'erateurs diff\'erentiels d'ordre infini},
     journal = {Annales Polonici Mathematici},
     pages = {129--133},
     publisher = {mathdoc},
     volume = {49},
     number = {2},
     year = {1988},
     doi = {10.4064/ap-49-2-129-133},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-49-2-129-133/}
}