@book{6356,
	author = {Smith, Charles,},
	title = {An elementary treatise on conic sections / },
	publisher = {Macmillan and co., limited;},
	year = {1904.},
	address = {London,},
	note = {First edition, 1882. Second edition, 1833. Reprinted with slight corrections 14 times between 1884 and 1904.}
}