%0 Journal Article %A V. N. Lazukin %A A. N. Terent'evskii %T Experimental observation of $^{13}\mathrm{C}^{4+}$, $^{29}\mathrm{Si}^{4+}$, $^{77}\mathrm{Se}^{4+}$, $\mathrm{S}^{4+}$ ions in the diamond lattice by means of the electron-spin resonance technique %J Doklady Akademii Nauk %D 1969 %P 1026-1027 %V 188 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_188_5_a17/ %G ru %F DAN_1969_188_5_a17