Mathews, G. B. 1861-1922. Theory of numbers. - [2d ed.]. - New York: Chelsea, [19--]. - 323 p.: 21 cm. "Originally published as Theory of numbers, part I." LCCN: 61017958 /L/r933 Subjects--Topical Terms: Number theory. Dewey Class. No.: 512.7 / M429t