@article{SLS_1959-1960__4__A14_0,
     author = {Morel, Henri},
     title = {Unicit\'e de la solution du probl\`eme de {Cauchy} pour certains op\'erateurs elliptiques \`a coefficients variables},
     journal = {S\'eminaire Schwartz},
     note = {talk:14},
     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__A14_0/}
}