@inproceedings{Cristofari:2021LG, author = "Cristofari, Pierre and Blasi, Pasquale and Amato, Elena", title = "{ The low number of SNR pevatrons in the Galaxy}", doi = "10.22323/1.395.0151", booktitle = "Proceedings of 37th International Cosmic Ray Conference {\textemdash} PoS(ICRC2021)", year = 2021, volume = "395", pages = "151" }