TY - BOOK AU - Sewell,W.E. ED - Princeton University Press. TI - Degree of approximation by polynomials in the complex domain, T2 - [Annals of mathematics studies, AV - QA281 .S4 1942 PY - 1942/// CY - Princeton PB - Princeton university press KW - Approximation theory KW - Polynomials N1 - "Lithoprinted."; Bibliography: pages 226-236 ER -