@article{IZKAB_2011_1_a55,
     author = {K. A. Bzheumikhov and Z. Ch. Margushev},
     title = {The realization of photonic crystal fiber 
},
     journal = {News of the Kabardin-Balkar scientific center of RAS},
     pages = {311--315},
     publisher = {mathdoc},
     number = {1},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IZKAB_2011_1_a55/}
}