%0 Journal Article %A Zampieri, Giuseppe %T On some conjectures by E. De Giorgi relative to the global resolvability of overdetermined systems of differential equations %J Rendiconti del Seminario Matematico della Università di Padova %D 1980 %P 115-128 %V 62 %I Seminario Matematico of the University of Padua %U http://www.numdam.org/item/RSMUP_1980__62__115_0/ %G en %F RSMUP_1980__62__115_0