@misc{SAF_1975-1976____A23_0,
     title = {Expos\'e {IV.} {Additif} au th\'eor\`eme (4.3)},
     journal = {S\'eminaire Maurey-Schwartz},
     eid = {23},
     pages = {1--3},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1975-1976},
     zbl = {0345.28008},
     language = {fr},
     url = {http://www.numdam.org/item/SAF_1975-1976____A23_0/}
}