@article{UZERU_2005_1_a5,
     author = {A. M. Rostomyan},
     title = {Investigation of {X-ray} symmetric {BBB-interferometers}},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {48--52},
     publisher = {mathdoc},
     number = {1},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2005_1_a5/}
}