@book{95390,
	author = {Klein, Félix and Hedrick, E. R.},
	title = {Elementary mathematics from an advanced standpoint},
	publisher = {The Macmillan company},
	year = {1939.},
	address = {New York},
	note = {A translation of v. 2 of the author's three-volume work entitled Elementarmathematik vom höheren standpunkte aus.}
}