@article{DAN_1964_156_4_a9,
     author = {A. A. Nikitin and O. A. Yakubovskii},
     title = {Forbidden transition lines connected with the first excited $sp^2$ configurations in coronal isoelectron sequences. 
},
     journal = {Doklady Akademii Nauk},
     pages = {760--762},
     publisher = {mathdoc},
     volume = {156},
     number = {4},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_156_4_a9/}
}