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@article{BuIkMa2020, title = {On the derivative martingale in a branching random walk}, author = {Buraczewski, Dariusz and Iksanov, Alexander and Mallein, Bastien}, journal = {Ann. Probab.}, fjournal = {Annals of Probability}, url = {https://doi.org/10.1214/20-AOP1474}, volume = {49}, number = {3}, pages = {1164--1204}, issn = {0091-1798}, doi = {10.1214/20-AOP1474}, year = {2021}, sici = {0091-1798(2021)49:3<1164:OTDMIA>2.0.CO;2-Y} }