%0 Journal Article %A J.G. Wendel %T Zero-Free Intervals of Semi-Stable Markov Processes. %J Mathematica Scandinavica %D 1964 %P 21-34 %V 14 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1964__14_165864/ %F MS2_1964__14_165864