@article{DAN_1991_317_1_a23, author = {D. T. Sviridov and Yu. F. Smirnov and A. M. Shirokov}, title = {On additional degeneracy of terms for semi-integral spin ions in cubic fields}, journal = {Doklady Akademii Nauk}, pages = {98--102}, publisher = {mathdoc}, volume = {317}, number = {1}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1991_317_1_a23/} }