@article{MZM_1995_58_1_a0,
     author = {S. M. Ageev},
     title = {On~a~problem of {Zambakhidze{\textendash}Smirnov}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {3--11},
     year = {1995},
     volume = {58},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1995_58_1_a0/}
}