Lorentz, G. G. (1966). Approximation of functions. Holt, Rinehart and Winston.
Cita Chicago (17th ed.)Lorentz, George G. Approximation of Functions. Nueva York: Holt, Rinehart and Winston, 1966.
Cita MLA (9th ed.)Lorentz, George G. Approximation of Functions. Holt, Rinehart and Winston, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.