@ARTICLE{26583204_26656349_2008, 
	author = {Eduard Babkin and E. Potapova}, 
	keywords = {},
	title = {},
	journal = {},
	year = {2008},
	number = {3},
	pages = {3-17},
	url = {https://bijournal.hse.ru/en/2008--3/26656349.html},
	publisher = {},
	abstract = {},
	annote = {}
}