@article{DVMG_2013_13_2_a4,
     author = {D. K. Durdiev and Z. R. Bozorov},
     title = {A problem of determining
},
     journal = {Dalʹnevosto\v{c}nyj matemati\v{c}eskij \v{z}urnal},
     pages = {209--221},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DVMG_2013_13_2_a4/}
}