@article{RSMUP_1984__71__249_0,
     author = {Zaidman, S.},
     title = {Analogue d'un {Lemme} de {Kohn} et {Nirenberg}},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {249--255},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {71},
     year = {1984},
     mrnumber = {769441},
     zbl = {0557.35130},
     language = {fr},
     url = {http://www.numdam.org/item/RSMUP_1984__71__249_0/}
}