@article{UZKU_2011_153_2_a16,
     author = {I. F. Bikmaev and E. A. Nikolaeva},
     title = {INTEGRAL {X-ray} source {IGR} 21343+4738: spectral and photometric variability research of the optical component},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {136--140},
     publisher = {mathdoc},
     volume = {153},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2011_153_2_a16/}
}