Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1973_208_1_a4, author = {E. M. Dyn'kin}, title = {Smooth functions on plane sets}, journal = {Doklady Akademii Nauk}, pages = {25--27}, publisher = {mathdoc}, volume = {208}, number = {1}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1973_208_1_a4/} }
E. M. Dyn'kin. Smooth functions on plane sets. Doklady Akademii Nauk, Tome 208 (1973) no. 1, pp. 25-27. http://geodesic.mathdoc.fr/item/DAN_1973_208_1_a4/