@inproceedings{Dolgov:2020O0, author = "Dolgov, Alexander", title = "{Massive Primordial Black Holes}", doi = "10.22323/1.362.0013", booktitle = "Proceedings of Multifrequency Behaviour of High Energy Cosmic Sources - XIII {\textemdash} PoS(MULTIF2019)", year = 2020, volume = "362", pages = "013" }