@article{DAN_1991_320_3_a20,
     author = {S. P. Ionov and V. S. Lyubimov},
     title = {The anomalous dependence of the sequential ionization energy of
},
     journal = {Doklady Akademii Nauk},
     pages = {609--611},
     publisher = {mathdoc},
     volume = {320},
     number = {3},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_320_3_a20/}
}