Sewell, W. E. (1937). Degree of Approximation by Polynomials—Problem α.
Citação norma ChicagoSewell, W. E. Degree of Approximation By Polynomials—Problem α. 1937.
MLA引文Sewell, W. E. Degree of Approximation By Polynomials—Problem α. 1937.
警告：這些引文格式不一定是100％准確.