@article{MZM_2003_74_6_a16,
     author = {M. A. Chebotar},
     title = {On {Solutions} of {Functional} {Identities}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {949--953},
     publisher = {mathdoc},
     volume = {74},
     number = {6},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2003_74_6_a16/}
}