@inproceedings{Blümlein:2019P6, author = "Blümlein, Johannes and De Freitas, Abilio and Raab, Clemens Gunter and Schönwald, Kay", title = "{Revisiting the $O(\alpha^2)$ Initial State QED Corrections to e+ e- Annihilation into a Neutral Boson}", doi = "10.22323/1.375.0046", booktitle = "Proceedings of 14th International Symposium on Radiative Corrections {\textemdash} PoS(RADCOR2019)", year = 2019, volume = "375", pages = "046" }