TY - JOUR AU - A. P. Nikol'skii AU - E. A. Zhurakovskiy TI - On the mechanism underlying the appearance of the $K_{\beta_5}$ line in the X-ray spectrum of $3d$-metals JO - Doklady Akademii Nauk PY - 1968 SP - 313 EP - 316 VL - 182 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1968_182_2_a21/ LA - ru ID - DAN_1968_182_2_a21 ER -