@book{1202157,
	author = {Гин, С. И.},
	title = {Мир логики},
	publisher = {Вита-Пресс},
	year = {2011 [т.е. 2010]},
	series = {Учителю начальной школы},
	address = {Москва},
	edition = {4-е изд.}
}