TY - JOUR AU - A. A. Nikitin AU - O. A. Yakubovskii TI - Forbidden transition lines connected with the first excited $sp^2$ configurations in coronal isoelectron sequences. JO - Doklady Akademii Nauk PY - 1964 SP - 760 EP - 762 VL - 156 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_156_4_a9/ LA - ru ID - DAN_1964_156_4_a9 ER -