Alexander Iksanov and Bastien Mallein, ALEA Lat. Am. J. Prob. Math. Stat. 16 (2019), no. 1, 315--331.
@article{IkMa2019, title = {A result on power moments of {L}\'evy-type perpetuities and its application to the {$L_p$}-convergence of Biggins' martingales in branching {L}\'evy processes}, author = {Iksanov, Alexander and Mallein, Bastien}, journal = {ALEA Lat. Am. J. Probab. Math. Stat.}, fjournal = {ALEA Latin-American Journal of Probability and Mathematical Statistics}, volume = {16}, number = {1}, pages= {315--331}, url = {http://alea.math.cnrs.fr/articles/v16/16-11.pdf}, year = {2019}, }