TY - JOUR AU - Gösta Wahde TI - An Extremal Problem Related to the Theory of Quasi-Analytic Functions. JO - Mathematica Scandinavica PY - 1959 SP - 126 EP - 132 VL - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1959__7_165707/ ID - MS2_1959__7_165707 ER -