@article{10_4064_ap86_2_8, author = {Finnur L\'arusson and Ragnar Sigurdsson}, title = {The {Siciak{\textendash}Zahariuta} extremal function as the envelope of disc functionals}, journal = {Annales Polonici Mathematici}, pages = {177--192}, publisher = {mathdoc}, volume = {86}, number = {2}, year = {2005}, doi = {10.4064/ap86-2-8}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/ap86-2-8/} }