@article{MZM_2010_87_1_a7,
     author = {V. V. Volchkov and Vit. V. Volchkov},
     title = {Sets with the {Pompeiu} {Property} on the {Plane} and on the {Sphere}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {69--82},
     publisher = {mathdoc},
     volume = {87},
     number = {1},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2010_87_1_a7/}
}