@article{SLS_1959-1960__4__A7_0,
     author = {Malgrange, Bernard},
     title = {Calcul symbolique approximatif},
     journal = {S\'eminaire Schwartz},
     note = {talk:7},
     pages = {1--6},
     publisher = {Secr\'etariat math\'ematique},
     volume = {4},
     year = {1959-1960},
     language = {fr},
     url = {http://www.numdam.org/item/SLS_1959-1960__4__A7_0/}
}