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 LCCN: 74141983 Nat. Bib. No.: B71-14038 Subjects--Topical Terms: Differential equations.Topological dynamics. Dewey Class. No.: 515.35 / S467t