Voir la notice de l'article provenant de la source Math-Net.Ru
@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/} }
V. V. Volchkov. A local two-radii theorem for quasianalytic classes of functions. Matematičeskie zametki, Tome 80 (2006) no. 4, pp. 490-500. http://geodesic.mathdoc.fr/item/MZM_2006_80_4_a1/