@article{SL_1958-1959__2__A9_0,
     author = {Huet, Denise},
     title = {Perturbation singuli\`ere d'op\'erateurs elliptiques},
     journal = {S\'eminaire d'analyse},
     note = {talk:13},
     pages = {1--7},
     year = {1958-1959},
     publisher = {Secr\'etariat math\'ematique},
     volume = {2},
     language = {fr},
     url = {https://www.numdam.org/item/SL_1958-1959__2__A9_0/}
}