@book{229472,
	author = {Karp, Alexander. and ebrary, Inc.},
	title = {Russian mathematics education},
	publisher = {World Scientific,},
	year = {2011.},
	series = {Series on mathematics education ;},
	address = {Singapore :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10493508}
}