@article{DAN_1995_341_5_a11,
     author = {G. A. Bordakov and I. I. Karpov and S. Ya. Sekerzh-Zen'kovich and I. K. Shingareva},
     title = {On the nonmonotonicity of the dependence of the frequency of},
     journal = {Doklady Akademii Nauk},
     pages = {623--625},
     publisher = {mathdoc},
     volume = {341},
     number = {5},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_341_5_a11/}
}