@article{UZERU_1988_1_a8,
     author = {P. A. Bezirganyan and K. N. Bezirganian and L. G. Gasparyan and V. P. Mkrtchyan},
     title = {The investigation of the imperfection of {X-ray} interferometer composed of different thickness crystals},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {54--60},
     year = {1988},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_1988_1_a8/}
}