TY  JOUR
TI  Constancy of Calculation Procedure for Radiation Lifetimes
KW  intermediate coupling
KW  configuration superposition
KW  semiempirical method
KW  isoelectric row of erbium
KW  level lifetimes
JO  Proceedings of Petersburg Transport University
AU  Loginov, A.V.
PY  2022
IS  19
PB  FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"