@article{DAN_1967_174_4_a12,
     author = {S. V. Vonsovskii and V. I. Cherepanov and A. N. Men' and A. E. Nikiforov},
     title = {Group-theoretic classification of the states of pairs and complexes of paramagnetic impurity ions in crystals},
     journal = {Doklady Akademii Nauk},
     pages = {783--786},
     publisher = {mathdoc},
     volume = {174},
     number = {4},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_174_4_a12/}
}