TY JOUR TI CALCULATION OF EPR g-TENSORS IN THE DOUGLAS-KROLL-KOHN-SHAM METHOD KW quantum chemical calculation KW Doug-las-Kroll approach KW first-order calculation of EPR g-tensors JO Bulletin of KSAU AU Nasluzova, O.I. AU Nasluzov, V.A. PY 2016 IS PB Krasnoyarsk State Agrarian University