TY - JOUR AU - E. Ya. Komarov AU - I. B. Borovskii TI - Spectra of threshold potentials of rare-earth elements of the lanthanoid group JO - Doklady Akademii Nauk PY - 1975 SP - 288 EP - 289 VL - 225 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1975_225_2_a11/ LA - ru ID - DAN_1975_225_2_a11 ER -