@article{SJL_1961-1962____A7_0,
     author = {Malgrange, Bernard},
     title = {Sur les syst\`emes diff\'erentiels \`a coefficients constants},
     journal = {S\'eminaire sur les \'equations aux d\'eriv\'ees partielles},
     note = {talk:7},
     pages = {1--13},
     year = {1961-1962},
     publisher = {Coll\`ege de France},
     language = {fr},
     url = {https://www.numdam.org/item/SJL_1961-1962____A7_0/}
}