%0 Journal Article %A I. B. Borovskii %A E. Ya. Komarov %T The structure of spectra of energy characteristic loss spectra of reflected electrons of $\mathrm{Gd}$, $\mathrm{Tb}$, $\mathrm{Dy}$, $\mathrm{Ho}$ %J Doklady Akademii Nauk %D 1976 %P 1103-1105 %V 231 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_231_5_a19/ %G ru %F DAN_1976_231_5_a19