%0 Journal Article %A Popescu, Nicolae %A Vraciu, Constantin %T On the extension of valuations on a field $K$ to $K(X)$. - I %J Rendiconti del Seminario Matematico della Università di Padova %D 1992 %P 151-168 %V 87 %I Seminario Matematico of the University of Padua %U http://www.numdam.org/item/RSMUP_1992__87__151_0/ %G en %F RSMUP_1992__87__151_0