@article{RSMUP_1977__58__191_0, author = {Bratti, Giuliano}, title = {A remark about elliptic overdeterminated systems}, journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova}, pages = {191--194}, publisher = {Seminario Matematico of the University of Padua}, volume = {58}, year = {1977}, zbl = {0411.35020}, mrnumber = {543140}, language = {en}, url = {http://archive.numdam.org/item/RSMUP_1977__58__191_0/} }