%0 Journal Article %A Gösta Wahde %T An Extremal Problem Related to the Theory of Quasi-Analytic Functions. %J Mathematica Scandinavica %D 1959 %P 126-132 %V 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1959__7_165707/ %F MS2_1959__7_165707