@article{Bisnovatyi-Kogan:2018aX, author = "Bisnovatyi-Kogan, Gennady and Giovannelli, Franco", title = "{Time lag in transient cosmic accreting sources}", doi = "10.22323/1.288.0037", journal = "PoS", year = 2018, volume = "APCS2016", pages = "037" }