%0 Journal Article %A Campi, Luciano %T A note on extremality and completeness in financial markets with infinitely many risky assets %J Rendiconti del Seminario Matematico della Università di Padova %D 2004 %P 181-198 %V 112 %I Seminario Matematico of the University of Padua %U http://www.numdam.org/item/RSMUP_2004__112__181_0/ %G en %F RSMUP_2004__112__181_0