TY - RPRT TI - Accurate frozen core approximation for all-electron density-functional theory AU - Yu, Victor Wen-zhe AU - Moussa, Jonathan (ORCID:0000000337011830) AU - Blum, Volker (ORCID:0000000186607230) PY - 2021 DO - 10.1063/5.0050296 UR - https://www.osti.gov/biblio/1787680 ID - 1787680 ER -