@book{6372,
	author = {Smogorzhevskiĭ, A. S.},
	title = {The ruler in geometrical constructions.},
	publisher = {Blaisdell Pub. Co.},
	year = {[c1961]},
	series = {Popular lectures in mathematics series,},
	address = {New York,},
	note = {A Blaisdell scientific paperback.}
}