@book {Анастасов2002,
	title = {Български етимологичен речник},
	volume = {6},
	year = {2002},
	publisher = {Академично издателство "Проф. Марин Дринов"},
	organization = {Академично издателство "Проф. Марин Дринов"},
	address = {София},
	author = {Анастасов, Васил and Дейкова, Христина and Димитрова-Тодорова, Лиляна and Дукова, Уте and Михайлова, Димитрина Ал. and Начева, Мира and Рачева, Мария and Риков, Георги and Селимски, Людвиг and Тодоров, Тодор Ат.}
}
@article {Риков1987,
	title = {Академик Владимир И. Георгиев (1908{\textendash}1986)},
	journal = {Palaeobulgarica / Старобългаристика},
	volume = {11},
	year = {1987},
	pages = {110{\textendash}112},
	keywords = {in honorem, Vladimir Georgiev, в чест, Владимир Георгиев},
	author = {Риков, Георги}
}
@article {Риков1981,
	title = {Основа и флексия в индоевропейската и праславянската глаголна система},
	journal = {Съпоставително езикознание / Сопоставительное языкознание / Contrastive linguistics},
	volume = {6},
	year = {1981},
	pages = {14{\textendash}18},
	abstract = {Due to the appearance of the new imperfective formation *-{\v e}ax- in Proto-Slavonic, the verb system became the basic medium for expressing temporal relations. That is why the old opposition between primary and secondary inflexions became redundant, the result being a partial neutralization of that opposition; cf. the Old Bulgarian inflexions for the third person singular, the first, second and third person plural and the dual.},
	author = {Риков, Георги}
}
