McLachlan, E. K. 1924- Calculus of several variables / [by] E. K. McLachlan. - Belmont, Calif. : Brooks/Cole Pub. Co., [1968] - xii, 384 p.: illus.; 24 cm. - Contemporary undergraduate mathematics series . Includes bibliographic references( p. 371) and index. LCCN: 68-011088 Subjects--Topical Terms: Functions of several real variables. Dewey Class. No.: 515