1. |
K. G. Gartsman, N. F. Kartenko, B. T. Melekh, S. V. Nikitin, I. A. Smirnov, Yu. N. Filin, N. V. Sharenkova, A. T. Shuvaev, B. Yu. Khel'mer, F. M. Ovsyannikov, “Study of the valence state of $\mathrm{Ce}$ and $\mathrm{Pr}$ ions in $\mathrm{Pr}_{1-x}\mathrm{Ce}_{x}\mathrm{O}_{2}$ solid solutions”, Fizika Tverdogo Tela, 32:6 (1990), 1868–1870 |