@inproceedings{Rogovaia:20166P, author = "Rogovaia, Svetlana", title = "{Determination of source spectra of ultrahigh energy cosmic rays }", doi = "10.22323/1.236.0471", booktitle = "Proceedings of The 34th International Cosmic Ray Conference {\textemdash} PoS(ICRC2015)", year = 2016, volume = "236", pages = "471" }