@inproceedings{Giovannelli:2019Ig, author = "Giovannelli, Franco and Bisnovatyi-Kogan, Gennady", title = "{Time Lag in Transient Galactic and Extragalactic Accreting Sources}", doi = "10.22323/1.342.0036", booktitle = "Proceedings of Accretion Processes in Cosmic Sources – II {\textemdash} PoS(APCS2018)", year = 2019, volume = "342", pages = "036" }