Wilde, M. de Closed graph theorems and webbed spaces/ M. De Wilde. - London San Francisco: Pitman, 1978. - 158 p. ;: 25 cm. - Pitman Research Notes in Mathematics Series, 19. . Includes index. Bibliography: p. 149-156. ISBN: 0273084038 : ª6.50 LCCN: 78324345 Nat. Bib. No.: GB*** Subjects--Topical Terms: Webbed spacesClosed graph theorems. Dewey Class. No.: 515.7 / W672c