@incollection{AST_1994__223__103_0,
     author = {Colmez, Pierre},
     title = {Expos\'e {II} (appendice)~: {Les} nombres alg\'ebriques sont denses dans $B^+_{dR}$},
     booktitle = {P\'eriodes $p$-adiques - S\'eminaire de Bures, 1988},
     editor = {Fontaine, Jean-Marc},
     series = {Ast\'erisque},
     note = {talk:2 - appendice},
     pages = {103--111},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {223},
     year = {1994},
     zbl = {0940.14012},
     language = {fr},
     url = {http://archive.numdam.org/item/AST_1994__223__103_0/}
}