TY - BOOK AU - Varga R.S. TI - Functional analysis and approximation theory in numerical analysis T2 - CBMS-NSF Regional Conference Series in Applied Mathematics ; SN - 0898710030 AV - QA297 V37 1971 PY - 1971/// CY - Philadelphia PB - Society for Industrial and Applied Mathematics, KW - Lemb KW - Análisis numérico KW - Análisis funcional KW - Aproximación, Teoría de ER -