Eells, James Singularities of smooth maps. - New York: Gordon & Breach, [c1967]. - ix, 104 p.: illus., 23 cm. - Notes on mathematics and its applications . Includes bibliographies. LCCN: 67018647 //r84 Subjects--Topical Terms: Algebraic topology. Dewey Class. No.: 514.34 / E26s