@article{IZKAB_2013_6-1_a1,
     author = {K. A. Bzheumikhov and Z. Ch. Margushev and Yu. V. Savoiskii and E. N. Makarov},
     title = {Efficiency of spectral transformation
},
     journal = {News of the Kabardin-Balkar scientific center of RAS},
     pages = {13--20},
     publisher = {mathdoc},
     number = {6-1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IZKAB_2013_6-1_a1/}
}