@article{zu213327,
           title = {Extremal problem on (2n,2m?1)-system points on the rays},
          author = {A. L. Targonskii},
            year = {2014},
           pages = {46--47},
         journal = {XVIIth Conference on Analytic Functions and Related Topics},
             url = {http://eprints.zu.edu.ua/13327/},
        abstract = {Extremal function be found}
}