%0 Journal Article %A Beirão da Veiga, Hugo %A Valli, Alberto %T On the motion of a non-homogeneous ideal incompressible fluid in an external force field %J Rendiconti del Seminario Matematico della Università di Padova %D 1978 %P 117-145 %V 59 %I Seminario Matematico of the University of Padua %U http://archive.numdam.org/item/RSMUP_1978__59__117_0/ %G en %F RSMUP_1978__59__117_0