@incollection{SB_1981-1982__24__21_0,
     author = {Cartier, Pierre},
     title = {Perturbations singuli\`eres des \'equations diff\'erentielles ordinaires et analyse non-standard},
     booktitle = {S\'eminaire Bourbaki : volume 1981/82, expos\'es 579-596},
     series = {Ast\'erisque},
     note = {talk:580},
     pages = {21--44},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {92-93},
     year = {1982},
     mrnumber = {689524},
     zbl = {0508.03004},
     language = {fr},
     url = {http://archive.numdam.org/item/SB_1981-1982__24__21_0/}
}