%0 Journal Article %A Ferro, Ruggero %T $\omega $-satisfiability, $\omega $-consistency property, and the downward Lowenheim Skolem theorem for $L_{k,k}$ %J Rendiconti del Seminario Matematico della Università di Padova %D 1982 %P 7-19 %V 66 %I Seminario Matematico of the University of Padua %U http://www.numdam.org/item/RSMUP_1982__66__7_0/ %G en %F RSMUP_1982__66__7_0