%0 Journal Article %A I. V. Chepeleva %T On fine for structure of ESR spectra of $\mathrm{Mn}^{2+}$, $\mathrm{Fe}^{3+}$, and $\mathrm{Gd}^{3+}$ ions %J Doklady Akademii Nauk %D 1972 %P 1042-1045 %V 202 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_202_5_a14/ %G ru %F DAN_1972_202_5_a14