Sell, George R., 1937- Topological dynamics and ordinary differential equations [by] George R. Sell. - London, New York, Van Nostrand-Reinhold, 1971. - ix, 199 p. illus. 21 cm. - Van Nostrand Reinhold mathematical studies, 33 . Bibliography: p. 193-195. ISBN: 0442075022 Subjects--Topical Terms: Differential equations.Topological dynamics. Dewey Class. No.: 515.35