@article{MS2_1964__14_165864,
     author = {J.G. Wendel},
     title = {Zero-Free {Intervals} of {Semi-Stable} {Markov} {Processes.}},
     journal = {Mathematica Scandinavica},
     pages = {21--34},
     publisher = {mathdoc},
     volume = {14},
     year = {1964},
     zbl = {0132.12802},
     url = {http://geodesic.mathdoc.fr/item/MS2_1964__14_165864/}
}