@article{MZM_2010_88_3_a8,
     author = {A. Kirkoryan and D. I. Tolev},
     title = {On a {Version} of the {Hua} {Problem}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {405--414},
     publisher = {mathdoc},
     volume = {88},
     number = {3},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2010_88_3_a8/}
}