@article{SJL_1969-1970___2_41_0,
     author = {Malgrange, Bernard},
     title = {Une remarque sur les id\'eaux de fonctions diff\'erentiables},
     journal = {S\'eminaire sur les \'equations aux d\'eriv\'ees partielles},
     pages = {41--45},
     year = {1969-1970},
     publisher = {Coll\`ege de France},
     number = {2},
     language = {fr},
     url = {https://www.numdam.org/item/SJL_1969-1970___2_41_0/}
}