Cooper, R. Functions of real variables: a course of advanced calculus. - London: New York: Van Nostrand, [1966]. - xii, 228 p.: 23 1/2 cm. - New university mathematics series . LCCN: 66019955 //r89 Nat. Bib. No.: B66-14727 Subjects--Topical Terms: Functions of real variables. Dewey Class. No.: 515.8 / C778f