@article{IZKAB_2016_4_a1,
     author = {O. L. Boziev and K. A. Bzheumikhov and Z. Ch. Margushev},
     title = {On approximate-analytical method
},
     journal = {News of the Kabardin-Balkar scientific center of RAS},
     pages = {10--14},
     publisher = {mathdoc},
     number = {4},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IZKAB_2016_4_a1/}
}