Lorentz, G. G. Approximation of functions / G.G. Lorentz. - New York, Holt, Rinehart and Winston 1966 - ix, 188 p. 25 cm. - Athena series: selected topics in mathematics . includes Bibliography (p.179-184) and index LCCN: 66-013296 Subjects--Topical Terms: Approximation theory.-------- Dewey Class. No.: 511.4