Hu, S. T. 1914- Elements of general topology/ S. T. Hu. - San Francisco: Holden-Day, 1964. - x, 214 p.: illus., 24 cm. - Holden-Day series in mathematics . Bibliography: p. 205-207. LCCN: 64016576 //r842 Subjects--Topical Terms: Topology. Dewey Class. No.: 514.322 / H874e