@article{MZM_2006_80_1_a16,
     author = {A. S. Kostenko},
     title = {Similarity of {Some
}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {135--138},
     publisher = {mathdoc},
     volume = {80},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2006_80_1_a16/}
}