@article{eprints3021,
           title = {Study of spectra for lanthanides atoms with relativistic manybody perturbation theory: Rydberg resonances},
       publisher = {IOP Publishing},
           pages = {1--5},
         journal = {Journal of Physics: Conference Series},
          volume = {548},
          number = {012039},
            year = {2014},
            issn = {1742-6588},
          author = {Svinarenko, A. A.},
             url = {http://eprints.library.odeku.edu.ua/id/eprint/3021/}
}