Bushaw, Donald. Fundamentos de topología general D. Bushaw. - México Editorial Limusa-Wiley 1970. - 187 p. illus., diagrs. Translation of : Elements of general topology. LCCN: evn00001468 Subjects--Topical Terms: Topology LC Class. No.: QA611 / .B87 Dewey Class. No.: 513.83