@book{349589,
	author = {Gregoras, Nichifor  and šunskij, Roman Viktorovič},
	title = {История ромеев Т. 1, кн. I-X},
	publisher = {Quadrivium},
	year = {2017},
	series = {SERIA BYZANTINA},
	address = {Sankt-Peterburg}
}