@article{DAN_1991_318_3_a16,
     author = {A. V. Gorokh},
     title = {Regularities of the change of ionization potential and effective parameters of isoelectronic
},
     journal = {Doklady Akademii Nauk},
     pages = {581--585},
     publisher = {mathdoc},
     volume = {318},
     number = {3},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_318_3_a16/}
}