@inproceedings{DiGesu:2024R9, author = "Di Gesu, Laura", title = "{Blazars from the new window of X-ray polarimetry: IXPE observations of Mrk 421}", doi = "10.22323/1.447.0060", booktitle = "Proceedings of Multifrequency Behaviour of High Energy Cosmic Sources XIV {\textemdash} PoS(MULTIF2023)", year = 2024, volume = "447", pages = "060" }