@book{48577,
	author = {Boero, Paulo,},
	title = {Theorems in School :},
	publisher = {Brill | Sense,},
	year = {2007.},
	series = {New Directions in Mathematics and Science Education ;},
	address = {Leiden; },
	url = {http://dx.doi.org/10.1163/9789087901691}
}