@article{AFST_1990_5_11_3_45_0,
     author = {Dalmasso, Robert},
     title = {Un probl\`eme de sym\'etrie pour une \'equation biharmonique},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {45--53},
     publisher = {Universit\'e Paul Sabatier},
     address = {Toulouse},
     volume = {5e s{\'e}rie, 11},
     number = {3},
     year = {1990},
     mrnumber = {1191720},
     zbl = {0736.35034},
     language = {fr},
     url = {http://www.numdam.org/item/AFST_1990_5_11_3_45_0/}
}