@article{ASNSP_1990_4_17_2_297_0,
     author = {Amar, E. and Lempert, L.},
     title = {Geometric regularity versus analytic regularity higher codimensional case},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {297--321},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 17},
     number = {2},
     year = {1990},
     mrnumber = {1076256},
     zbl = {0755.32010},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_1990_4_17_2_297_0/}
}