@article{SEDP_1970-1971____A3_0,
     author = {Unterberger, A. and Unterberger, J.},
     title = {Op\'erateurs pseudo-diff\'erentiels},
     journal = {S\'eminaire Goulaouic-Schwartz},
     note = {talk:3},
     pages = {1--12},
     year = {1970-1971},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     mrnumber = {402308},
     zbl = {0235.35071},
     language = {fr},
     url = {https://www.numdam.org/item/SEDP_1970-1971____A3_0/}
}