@article{MZM_2006_80_4_a1,
     author = {V. V. Volchkov},
     title = {A local two-radii theorem for quasianalytic classes of functions},
     journal = {Matemati\v{c}eskie zametki},
     pages = {490--500},
     publisher = {mathdoc},
     volume = {80},
     number = {4},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2006_80_4_a1/}
}