@inproceedings{Ptuskin:2016Qi, author = "Ptuskin, Vladimir", title = "{Origin of Cosmic Rays}", doi = "10.22323/1.224.0004", booktitle = "Proceedings of Frontiers of Fundamental Physics 14 {\textemdash} PoS(FFP14)", year = 2016, volume = "224", pages = "004" }