%0 Journal Article %A Finnur Lárusson %A Ragnar Sigurdsson %T The Siciak–Zahariuta extremal function as the envelope of disc functionals %J Annales Polonici Mathematici %D 2005 %P 177-192 %V 86 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap86-2-8/ %R 10.4064/ap86-2-8 %G en %F 10_4064_ap86_2_8