@book{117803,
	author = {Krutet︠s︡kiĭ, V. A. (Vadim Andreevich) and Teller, Joan.,},
	title = {The psychology of mathematical abilities in schoolchildren / },
	publisher = {University of Chicago Press, },
	year = {1976.},
	address = {Chicago :},
	edition = {1a ed.}
}